Before then, we'll also have live coverage of Saturday's Scottish Cup final, Rangers v Hibernian.
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Almost time for me to go. We'll be back for Sunday's second leg.
Falkirk manager Peter Houston
"Happy to get the result. I felt we were fortunate to win 1-0. I think there's lots of lessons for our players to learn. We've got our goalkeeper to thank for a great save. The boys, again, we showed great character."
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Kilmarnock manager Lee Clark
"Absolutely dreadful goal. The way it was scored was schoolboy stuff. I'm frustrated. I would've been okay with a 0-0, not delighted - I came here to win -Â but to be behind with a goal like that is terrible. We've got to dust ourselves down now and go again and score two goals at least to win it."
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SMS Message: How many scoring chances did killie need to wrap up this match? I'm not a killie fan but that was blatant robbery by Falkirk tonight. Also another diabolical pen denial in the 1st half! Why? A player does not need to fall down in order for the pen to be given! from Benji, Edinburgh
How many scoring chances did killie need to wrap up this match? I'm not a killie fan but that was blatant robbery by Falkirk tonight. Also another diabolical pen denial in the 1st half! Why? A player does not need to fall down in order for the pen to be given!
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Quote Message: This tie ain't over. It's all to play for still from Radio Scotland pundit and ex-player Derek Ferguson
This tie ain't over. It's all to play for still
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Will Vaulks (left) celebrates his winning goalImage caption: Will Vaulks (left) celebrates his winning goal
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Quote Message: We never stop. We just showed what we're all about from Falkirk scorer Will Vaulks
We never stop. We just showed what we're all about
FULL-TIME
Falkirk 1-0 Kilmarnock
Falkirk strike late again, this time to secure a first-leg advantage over Kilmarnock in the Premiership play-off final.
Killie now need to score at least twice in Sunday's return leg at Rugby Park to avoid relegation.
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GOAL Falkirk 1-0 Kilmarnock (Vaulks)
Falkirk take the lead in the tie. A Luke Leahy free-kick is rolled to Craig Sibbald, whose cut-back is fired in by Will Vaulks through a clutch of Kilmarnock players.
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Falkirk 0-0 Kilmarnock
One minute of stoppage time starts.
CLOSE!
Falkirk 0-0 Kilmarnock
A snapshot from Kris Boyd swerves over the Falkirk crossbar.
Falkirk 0-0 Kilmarnock
Falkirk's Bob McHugh acrobatically fires over.
Falkirk 0-0 Kilmarnock
Will Vaulks' awkward bouncing shot is nervously ushered out by Kilmarnock goalkeeper Jamie MacDonald.
GREAT SAVE!
Falkirk 0-0 Kilmarnock
Another fine save by Danny Rogers to keep out Kris Boyd's header but the Kilmarnock forward was flagged offside.
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Falkirk manager Peter Houston issues instructions to his playersImage caption: Falkirk manager Peter Houston issues instructions to his players
Falkirk 0-0 Kilmarnock
Myles Hippolyte comes on for Falkirk's John Baird.
GREAT SAVE!
Falkirk 0-0 Kilmarnock
Kris Boyd has an excellent chance at the back post after being found by a deep cross to the right but Danny Rogers stays on his feet to make the block.
Live Reporting
Andy Campbell
All times stated are UK
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SNSCopyright: SNS Will Vaulks (left) celebrates his winning goalImage caption: Will Vaulks (left) celebrates his winning goal 
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SNSCopyright: SNS Falkirk manager Peter Houston issues instructions to his playersImage caption: Falkirk manager Peter Houston issues instructions to his players
Latest PostPost update
Good night.
Post update
Before then, we'll also have live coverage of Saturday's Scottish Cup final, Rangers v Hibernian.
Post update
Almost time for me to go. We'll be back for Sunday's second leg.
Falkirk manager Peter Houston
"Happy to get the result. I felt we were fortunate to win 1-0. I think there's lots of lessons for our players to learn. We've got our goalkeeper to thank for a great save. The boys, again, we showed great character."
Kilmarnock manager Lee Clark
"Absolutely dreadful goal. The way it was scored was schoolboy stuff. I'm frustrated. I would've been okay with a 0-0, not delighted - I came here to win -Â but to be behind with a goal like that is terrible. We've got to dust ourselves down now and go again and score two goals at least to win it."
Get Involved
Text 80295
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FULL-TIME
Falkirk 1-0 Kilmarnock
Falkirk strike late again, this time to secure a first-leg advantage over Kilmarnock in the Premiership play-off final.
Killie now need to score at least twice in Sunday's return leg at Rugby Park to avoid relegation.
GOAL Falkirk 1-0 Kilmarnock (Vaulks)
Falkirk take the lead in the tie. A Luke Leahy free-kick is rolled to Craig Sibbald, whose cut-back is fired in by Will Vaulks through a clutch of Kilmarnock players.
Falkirk 0-0 Kilmarnock
One minute of stoppage time starts.
CLOSE!
Falkirk 0-0 Kilmarnock
A snapshot from Kris Boyd swerves over the Falkirk crossbar.
Falkirk 0-0 Kilmarnock
Falkirk's Bob McHugh acrobatically fires over.
Falkirk 0-0 Kilmarnock
Will Vaulks' awkward bouncing shot is nervously ushered out by Kilmarnock goalkeeper Jamie MacDonald.
GREAT SAVE!
Falkirk 0-0 Kilmarnock
Another fine save by Danny Rogers to keep out Kris Boyd's header but the Kilmarnock forward was flagged offside.
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Falkirk 0-0 Kilmarnock
Myles Hippolyte comes on for Falkirk's John Baird.
GREAT SAVE!
Falkirk 0-0 Kilmarnock
Kris Boyd has an excellent chance at the back post after being found by a deep cross to the right but Danny Rogers stays on his feet to make the block.