Postpublished at 74 mins
Cardiff 0-1 Leicester
Marc Albrighton is teed up and his long-range effort wins Leicester a 10th corner of the match.
Jonny Evans then just misses with a header from a couple of yards out.
Leicester win first match since owner's death
Vichai Srivaddhanaprabha and four other people were killed in helicopter crash
Gray scores winner, prompting emotional celebrations
Kasper Schmeichel in tears during minute's silence
Foxes players flying to Thailand after game for Mr Vichai's funeral
Maguire off injured - England squad named on Thursday
Matt Davis
Cardiff 0-1 Leicester
Marc Albrighton is teed up and his long-range effort wins Leicester a 10th corner of the match.
Jonny Evans then just misses with a header from a couple of yards out.
Cardiff 0-1 Leicester
Danny Simpson, such a key figure in the title-winning team, comes on for Gray - his first appearance of the season.
Cardiff 0-1 Leicester
Leicester having to dig in as Cardiff press for the equaliser.
You can imagine how big a win this will be and what it will mean, if the Foxes can hold on.
As it stands Cardiff are in the bottom three, with Newcastle winning against Watford.
Cardiff 0-1 Leicester
Sol Bamba tries to steer Víctor Camarasa's cross goalwards, but he prods it wide.
Change for Cardiff as Junior Hoilett comes on for Bobby Reid.
Cardiff 0-1 Leicester
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Cardiff 0-1 Leicester
What a moment for Leicester.
Lee Probert books Gray for taking his shirt off.
Cardiff 0-1 Leicester
Dafydd Pritchard
BBC Sport Wales at Cardiff City Stadium
It was also going to be emotional if Leicester scored today, and the players' feelings came pouring out after that strike from Demarai Gray.
Every single player joined in the celebrations and - apart from keeper Kasper Schmeichel who had to trot back to his goal - they all ran over to share in the celebrations with their fans.
Demarai Gray
Look at the celebrations, you can see what this means.
Ben Chilwell clips the ball into the middle of the box for Gray to side-foot a half-volley into the back of the net.
The winger celebrates by taking his shirt off to reveal a t-shirt that reads 'For Khun Vichai'.
The whole Leicester team including Kasper Schmeichel join in the celebrations.
A huge release of emotion for the players after the darkest week in the history of the club.
Cardiff 0-0 Leicester
Ricardo Pereira makes a mess of a clearance under pressure from Josh Murphy, who drives past the right-back and shoots at goal, but Kasper Schmeichel saves well.
Cardiff 0-0 Leicester
Kasper Schmeichel called into action at a Cardiff corner, just managing to push Sean Morrison out his way and punch clear, before Callum Paterson heads over the bar.
Cardiff 0-0 Leicester
Nice touch by Arsenal for their game with Liverpool at 17:30 GMT.
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Cardiff 0-0 Leicester
James Maddison into his stride early as he tries with an effort from the edge of the box, which deflects out for a corner.
Jonny Evans thumps a header into the ground, Gray tries to flick it goalward, but it goes out for a goal-kick.
Cardiff 0-0 Leicester
We're finally back under way at the third attempt after two false starts with the kick-off.
The teams are back out in Cardiff.
Cardiff 0-0 Leicester
Leicester will feel hard done by and Kasper Schmeichel has words for the referee as the teams walk off.
After a difficult first half hour, in which they lost Harry Maguire to injury, Leicester grew into the game and finished well on top.
Cardiff 0-0 Leicester
Leicester should be ahead and at least have a penalty.
Ricardo Pereira's shot is saved and comes out to James Maddison. His effort falls at the feet of Jamie Vardy who then hits the bar from just a few yards out.
But it looks like Vardy's effort has come off Sol Bamba's hand.
Big appeal by Leicester but Lee Probert remains unmoved.
Cardiff 0-0 Leicester
Harry Arter receives his fifth booking of the season and will miss the next game.
Cardiff 0-0 Leicester
Leicester enjoying their best spell in the game.
Jamie Vardy bursts down the left, his pass eventually falls to Nampalys Mendy and his long range effort is deflected over the bar.