A thrilling finish at the King Power Stadium.
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No shots, and no touches inside the Middlesbrough area - no wonder Jamie Vardy's Leicester goal drought, which dates back to 10 September, continued today.
Vardy only touched the ball eight times anywhere on the pitch in total, the fewest of any player to start the game.
In contrast, Boro striker Alvaro Negredo has had 34 touches, and two shots - he has scored with both of them.
There's barely time to kick-off again as Lee Mason blows the final whistle at the King Power Stadium and it's all over. Honours even.
Harsh on Middlesbrough but Leicester fans don't care a jot. Islam Slimani buries the spot-kick to dramatically rescue a point for the Foxes.
Drama! Wes Morgan is fouled by Marten De Roon in the box and Lee Mason points to the spot.
Three minutes of added time and Leicester almost get that equaliser. A high ball into the box lands at the feet of Daniel Amartey but he can't shape his body to get an effort on target and the ball drifts out of play.
A long-range effort from Daniel Amartey whistles just past the post. Three minutes plus added time for Leicester to salvage something here.
Antonio Barragan's cross from a tight angle causes a few problems for Leicester goalkeeper Ron-Robert Zieler who awkwardly tips the ball over the bar. Not much from the Foxes going forward at the moment.
Boro have only been beaten once on the road this season. Their defence is looking pretty determined to see this one out. Leicester just can't find a way through at the moment.
Negredo is on the deck clutching his groin, but after a bit of treatment and a gingerly jog down the touchline he's back on his feet.
What a finish from Negredo! The on-loan Valencia man bags his second of the afternoon with a clinical strike. Adam Forshaw's high ball over the top of the Leicester defence sends Nergredo scurrying clear and he emphatically fires a crisp low finish past Ron-Robert Zieler.
Another substitution from Claudio Ranieri as Riyad Mahrez is withdrawn for Ahmed Musa. Mahrez chunters to himself as he grabs a coat and sits on the bench.
Jamie Vardy won't end his goal drought this afternoon. The striker picks up a booking and moments later is replaced in attack by Islam Slimani.
Danny Simpson whips a decent delivery into the box from the right flank, but Andy King heads high over the crossbar and into the stands.
The start of the second half very much mirroring the start of the first at the King Power Stadium. Not much to write home about at the moment. Boro ever so slightly more positive.
Boro defender Antonio Barragan's had a bit of a nightmare with throw-ins this afternoon. He had a couple of foul throws in the first half, and now he's chucked the ball straight back to Leicester goalkeeper Ron-Robert Zieler from a good position.
Daniel Amartey becomes the third Leicester player to get his name into referee Lee Mason's book for a foul on Fabio.
Back under way at the King Power Stadium.
Former Arsenal defender on Final Score
It was a cultured finish from Alvaro Negredo. They have been waiting for him to come up with this sort of magic since he arrived in Middlesbrough and he's swept it in beautifully. That is what you expect from a player like Negredo.
Well, Alvaro Negredo has managed to break his goalscoring duck. Can Jamie Vardy do the same in the second half? Leicester finally got themselves going as the half wore on. They'll need to show a bit more to win this one, though.
Jamie Vardy's just not getting the breaks. Shinji Okazaki slides the ball across goal for the England striker who looks set to strike a low effort at goal, only for Gaston Ramirez to pinch the ball off his toe.
Tomi Adiyan: Fantastic goal by Negredo.
Stevey Gee Sings: Leicester have lost it in the Premier League but as underdogs in Champions League - they will go and win it! Heard it hear first.
The Algerian makes no mistake as he strikes the spot-kick low into the corner, and it goes into the net off the inside of the post.
A penalty for Leicester. A high ball is pumped into the box and catches the hand of Calum Chambers. Referee Lee Mason points to the spot. The Boro defender probably feels a little aggrived given he looked to be fouled by Wes Morgan.
It's taken nearly a third of the game but Leicester finally manage a shot on goal, and it's a spectacular one. Riyad Mahrez lifts a cross into the area and Shinji Okazaki executes a spectacular scissor kick which hits the bar.
Boro look to catch the hosts on the counter attack, forcing Marc Albrighton to snuff out the danger. Albeit with a foul on Gaston Ramirez. A deserved booking for the former Aston Villa winger.
Leicester's fans are getting a little frustrated. A couple of choice words from supporters filter their way on to the pitch. A half-hearted "Come on City" follows. Marc Albrighton swings a free-kick into the penalty area but Boro's defence clear.
Boro controlling possession now. Leicester still look short on energy and drive thus far. The besuited Claudio Ranieri is up off the bench and patrolling the technical area.
Leicester have looked a little flat and Boro punish them as Alvaro Negredo scores his first goal since the opening day of the season. The Spanish striker exchanges passes with Gaston Ramírez before he strikes the ball high into the net from near the penalty spot.
Boro spark into life down the right flank. Adama Traore's pace takes him past Christian Fuchs and Leicester keeper Ron-Robert Zieler parries his cross-shot away from goal. Marten de Roon subsequently picks the ball on the edge of the box, only to sweep his effort well wide of goal.
Both sides giving possession away like unwanted stock on Black Friday. Lots of aerial balls, headed back and forth. Scrappy so far.
Shinji Okazaki is terrier like early on, harrying the Boro defenders and forcing Ben Gibson to lump one long. Both sides testing each other out at the moment.
Claudio Ranieri gives his glasses a quick spit and polish before taking his seat in the dugout. And we're under way at the King Power Stadium.
Match of the Day commentator
With mission accomplished in the Champions League ahead of schedule, it's time for Leicester to concentrate on improving their surprisingly poor league position.
Claudio Ranieri said he 'expected difficulties (this season), but not so strong', with his team losing half of their league games so far.
The Foxes' 12-point haul is just less than half the total they had at this stage last season.
Meanwhile, a fourth consecutive away draw might be the best Boro can hope for as the Premier League's joint lowest scorers try to get past a defence that has only been breached four times in the league at home all season.
Comedian and Boro fan Bob Mortimer, who is in the away end at the King Power, will certainly be hoping Negredo can rediscover his shooting boots in front of goal to lift his spirits on a chilly afternoon in the East Midlands.
Middlesbrough head coach Aitor Karanka on forward Alvaro Negredo, who has failed to score in 10 straight starts: "When a striker is not scoring goals he is always going to have his critics, just like when a team is not winning a manager is going to have his critics.
"Everybody has to understand we are not a top team going five or 10 times in the opponents' box - we have to wait for our chances.
"Leicester are not in a good moment so we will have to arrive more times in the opponents' box and he is going to score goals for sure in the way that he is working."
Leicester boss Claudio Ranieri on Jamie Vardy, who has scored twice in the league this season compared with 13 at the same stage in 2015-16: "He has restarted and is very close to scoring.
"He has started to also score in training, and that is good news because also, in the training, he didn't score so well. Jamie is always normal, the same last season. You don't see him nervous or frustrated.
"But sooner or later Vardy will come back. I speak every day with him. He is very calm, very concentrated in his job, to work for the team."