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Celtic manager Ronny Deila
"I think it's a very disappointing gang of players into the dressing room. I feel very sorry for them but I'm very proud of them."
There'll be reaction to Celtic's defeat in Milan on the BBC Sport website later.
Stephen from Troon: "Hate to blame a referee but that was one of the worst displays I have ever seen, especially at European level. It's galling when a game is made basically unfair by poor, at sometimes biased refereeing. Celtic must feel very hard done by."
Daniel Quigley on Facebook: "Celtic should have had two penalties and may not be out of Europe - ref not doing his job tonight. Something has to be done."
Roderick Daniel on Twitter: "Plucky performance. Oh well, back to the Scottish Premiership. Mouthwatering. #bbcscotfootball"
Ruairidh Cormack on Twitter: "Gutted but no shame! #bbcscotfootball"
Click here to read Alasdair Lamont's report from the San Siro.
Scott Burns on Facebook: "If VVD was red carded for those 2 fouls, then Guarin should have been sent off for the elbow on Johanson....never mind score the winner.,."
Daniel Quigley on Facebook: "Celtic should have had two penalties - ref not doing his job tonight."
Gööner in Seville: "@BBCSportScot glorious failures once again #bbcscotfootball"
Dylan Mckaig: "Good effort celtic. I think they played better here than they did at the group stage #bbcscotfootball"
It ends in an aggregate win for Inter Milan and Celtic's Europa League campaign draws to a close. In difficult circumstances, the visitors acquitted themselves with 10 men at the San Siro and only succumbed to defeat late in the tie.
Craig Gordon makes another impressive block to deny Xherdan Shaqiri from close range.
Midway through three minutes of stoppage time.
Kris Commons works the space to get in a shot from the right-hand edge of the Inter box but the Inter defence block.
Not long left now, almost in stoppage time.
Inter break from their own half with Fredy Guarin collecting the ball in a central position, driving forward and sending a superb shot past Craig Gordon. Excellent strike.
And Adam Matthews follows Bitton into the book and that means a European suspension for the Celtic right-back.
Nir Bitton becomes the latest Celtic player to be booked.
Nir Bitton, pictured here with Juan Jesus, has battled hard in the Celtic midfield this evening.Copyright: SNS
Kris Commons' first contribution as a Celtic substitute is a long-range shot that is collected by goalkeeper Juan Pablo Carrizo.
Another Inter substitution. Hugo Campagnaro comes on for Danilo D'Ambrosio.
Alan on Facebook: "With Celtic down to 10 men and Ambrose at centre-half, Inter will only have themselves to blame if they don't go through........ #"
Mateo Kovacic replaces Hernanes for Inter.
Third and final change for Celtic. Stuart Armstrong is replaced by Kris Commons.
Inter Milan midfielder Fredy Guarin is booked for taking out Stefan Johansen with an outstretched arm.
Tim Oliver: "The longer it goes goalless, the more likely I think it is that Celtic will snatch a winner. #bbcscotfootball"
Juan Icardi is a picture of frustration after heading well wide from the edge of the box. Inter are through as things stand but they want to make sure of it.
Celtic keeper Gordon is booked, seemingly for time wasting as he prepares to take a goal kick.
Craig Gordon has been force into some fine saves so far this evening.Copyright: SNS
Midway through the second half. The pressure is mounting on the Celtic goal. The final 20 minutes or so will demand a lot of the 10 men.
Chance for Inter as Rodrigo Palacio nods the ball across for Xherdan Shaqiri in front of goal but it is a bit too high for the Swiss, who heads wide.
Referee Ivan Kruzliak is uninterested after Xherdan Shaqiri goes down in the Celtic box under Emilio Izaguirre's challenge.
A break in play as Celtic midfielder Nir Bitton receives treatment after picking up a sore one while blocking a shot.
Hernanes's controlled chest and volley skims across the surface and past the right-hand post.
Celtic make another change with John Guidetti making way for James Forrest.
A lovely reverse pass by Fredy Guarin puts Juan Icardi one on one with Celtic goalkeeper Craig Gordon, who is quick off his line to make the block.
Tommy Boyle on Facebook: "Much rather Celts were playing WITH 10,as AGAINST 10, historically Celtic play well in these situations........fingers x'd!"
Danilo D'Ambrosio tests Celtic goalkeeper Craig Gordon with a curving shot from the left.
BBC Scotland at the San Siro
"A flare being set off in the Celtic end despite a 10,000 euro fine this week for the club from Uefa for the same thing and pleas from the club for supporters not to repeat it."
Ben Picard on Twitter: "Celtic are falling foul of the differences between Scottish and European referees #bbcscotfootball"
tom and 20 others on Twitter: "Palacio - a prima donna falling like a Madonna #bbcscotfootball"
Derek on Facebook: "Cmon 1-0 Celtic will do it !"
Dylan on Facebook: "come on you boys in green - get a goal!"
Rodrigo Palacio lifts a shot high over the Celtic crossbar.
Celtic have started the second half brightly. John Guidetti has been caught offside a couple of times but the Inter defence have looked vulnerable.
Greg McEwan on Twitter: "I'd have left Biton at CH and brought Johansen in beside Broony - I'd have left Ambrose on the bus! #bbcscotfootball"
Barry Booth on Twitter: "the other beneficiaries from going down to ten men are Aberdeen! #bbcscotfootball"
Second half underway.
How much will Virgil van Dijk's dismissal impact Celtic's chances at the San Siro?Copyright: SNS
BBC Scotland at the San Siro
"Very encouraging 45 minutes for Celtic but the dismissal of Virgil van Dijk could well be pivotal to the eventual outcome.
"Other than that, they can be very happy with their first-half performance, with Craig Gordon proving just what a great goalkeeper he is at times."
It's goalless at the break but Celtic, down to 10 men following Virgil van Dijk's red card, face an almighty task if they are to get the advantage that would take them through to the next round.
Donald McInnes on Facebook: "Seems like a good game, following it here whilst on holiday in Oz. Ungodly hour but hey it's Celtic. It's going to be a hard test for Celtic and I am sitting on the fence about the outcome, nevertheless C'Mon the Hoops
Alan Rankin on Facebook: "Boring game, we had been treated to 4 goals by this time last week"
Michael on Twitter: "Celtic really need to get into half time at 0-0 #bbcscotfootball"
MBEHAN on Twitter: "What was worse the refereeing decision or Icardi's reaction (both very poor) #bbcscotfootball"
Leon Hay on Twitter: "Difficult to see Celtic being able to hold on for so long. #bbcscotfootball"
Into the second and final minute of first-half stoppage time.
Virgil van Dijk was shown a red card after picking up two bookings at the San Siro.Copyright: SNS
Couple of chances in quick succession inside the Celtic box. Juan Icardi's shot is deflected into the path of Xherdan Shaqiri, who draws a fine block from Craig Gordon.
Celtic make a change following the dismissal of Virgil van Dijk. Defender Efe Ambrose replaces winger Gary Mackay-Steven.
Juan Icardi connects with the resulting free-kick and his header looks netbound until Craig Gordon scoops the ball over. The offside flag had been raised but that was an impressive blocked by the Scotland goalkeeper.
Celtic are down to 10 men as Virgil van Dijk picks up a second yellow card after fouling Juan Icardi on the left-hand side.
Gary Mackay-Steven drives at the Inter defence from the halfway line and tries to slip in Stefan Johansen on the left but the Norwegian midfielder's touch lets him down and the hosts get it clear.
Celtic goalkeeper Craig Gordon confidently plucks the ball out of the air after a cross from Fredy Guarin travels in from the Inter right.
Nick from Burnley: "Celtic playing 4-3-3 away at the San Siro, absolute bottle, they're creating a proper end to end European game, this is why I love Celtic!"
Celtic defender Virgil van Dijk is booked for barging into Rodrigo Palacio. That means the Dutchman will incur a one-match suspension.
James in Giffnock: "Celtic really have to score first, then it will be a cracker."
BBC Scotland at the San Siro
"Midway through the first period and Celtic are very much in this contest, which is raging from end to end. It's every bit as open as the game at Celtic Park, all we're lacking are the goals!"
This challenge by David Santon on Stuart Armstrong prompted unsuccessful penalty claims from the visiting fans.Copyright: SNS
- Copyright: BBC
BBC Radio Scotland commentator Liam McLeod is in full flow at the San Siro, pictured beside match summariser Pat Bonner, the former Celtic goalkeeper, and Alasdair Lamont.
Another Celtic penalty appeal is dismissed after John Guidetti goes down following Juan Jesus's challenge.
Mauro Icardi just cannot connect with David Santon's low driven ball across the face of the Celtic goal. That one got the home crowd excited.
There's a menace about Inter when they come forward, often in very quick breaks. Celtic have so far kept the Italian side at bay and are themselves eager to break at pace when they can.
Stuart Armstrong bursts into the Inter box and goes down after being closed down by Davide Santon. Armstrong and the travelling fans claim for a penalty but referee Ivan Kruzliak waves play on.
George Greehnowe on Facebook: "Think it'll be 3-0 Inter"
Brian Clarke on Facebook: "You have to believe, otherwise, what's the point? Come on Celtic!"
Helen Hatherley on Facebook: "Celtic should win if they concentrate and be confident in themselves again"
Niall O'Byrne on Twitter: "#bbcscotfootballCeltic were made for nights like tonight! Sat in Sangilo, Malawi cheering on the bhoys!! Come on the Hoops!!"
Cameron Renwick on Twitter: "#bbcscotfootball If #Celtic can (for once) get thru first 15 minutes without conceding, I predict Celtic win, 2-1"
Fredy Guarin flashes a shot past the Celtic left-hand post. Pretty open so far.
Juan Pablo Carrizo comes off his line to deny Gary Mackay-Steven after the Celtic winger had latched on to Emilio Izaguirre's diagonal ball.
Inter the more forceful early on. Couple of crosses into the Celtic box and Craig Gordon has already had a couple of important catches to make.
Mauro Icardi latches on to a long ball but his shot does not have enough purchase on it, allowing Celtic goalkeeper Craig Gordon to gather.
More worryingly for the visitors is a knock seemingly picked up by Adam Matthews but the Welshman looks like he'll continue.
Inter Milan begin the match.
BBC Scotland at the San Siro
"Kick-off just moments away in the San Siro, which is about half-full. The 3,000 Celtic fans are up in the top tier of the cavernous stadium but are making themselves heard. Their team has to end a winless run here in Italy if they're to progress. No easy task but a challenge Ronny Deila and his players are relishing."
Both sets of players out on the park now and the pre-match handshakes ensue.
Colin Hunter on Facebook: "Can Celtic win? Not if they defend as badly as they do"
Brian McKie on Facebook: "No chance, then they can come home and concentrate on winning their one team league."
John Kerr on Facebook: "Celtic shall win 2-1 tonight"
Gary on Twitter: "Inter 5-0 Celtic #bbcscotfootball"
Ten minutes until kick-off in Milan.
You can listen to live Sportsound commentary of Inter Milan v Celtic on BBC Radio Scotland 810MW, DAB digital radio and online.
To listen here, click the 'Live Coverage' tab.
Celtic warmed up for tonight's match with a 4-0 win over Hamilton Academical on Sunday. Inter Milan beat Cagliari 2-1 on Monday evening.
Let me know your thoughts on tonight's match. You can text 80295, tweet using the hashtag #bbcscotfootball or leave comments at the BBC Sport Scotland Facebook page.
Inter Milan: Carrizo, Santon, Ranocchia, Juan Jesus, D'Ambrosio, Guarin, Medel, Hernanes, Palacio, Shaqiri, Icardi. Subs: Handanovic, Kovacic, Campagnaro, Vidic, Kuzmanovic, Obi, Puscas.
Celtic: Gordon, Matthews, Denayer, van Dijk, Izaguirre, Mackay-Steven, Brown, Biton, Armstrong, Johansen, Guidetti. Subs: Zaluska, Ambrose, Stokes, Commons, Wakaso, Forrest, Henderson.
Referee: Ivan Kruzliak.
BBC Scotland at the San Siro
"John Guidetti starts for Celtic in place of the injured Leigh Griffiths in the only change to the side that drew 3-3 with Inter last Thursday.
"Inter have made two changes from that game, with Danilo D'Ambrosio and Hernanes replacing Hugo Campagnaro and Zdravko Kuzmanovic."
Roberto Mancini's Inter have the advantage of three away goals and a goalless draw or a win will take them through. However, any win for Celtic will secure a last 16 place for Ronny Deila's side.
It's the second leg of the Europa League last 32 tie, with the score currently tied at 3-3 from last week's match at Celtic Park.
Good evening and welcome to live coverage of Inter Milan v Celtic.