We've still not had any official confirmation of what happened in the first heat of this women's 1,500m.

Canada's Courtney Sarault won heat four in two minutes 20.365 seconds, the fastest time we have seen so far.

No shocks so far. Two heats remain.

Watch out for Suzanne Schulting of the Netherlands in the final heat. She is world and European champion.

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Great Britain's former world champion Elise Christie did not qualify for these Olympics and last year announced her retirement because of injury.

Instead she is working as a pundit for BBC TV today, commenting on the event in which she used to compete.

"It's been quite interesting watching short track, it's a bit behind at the minute at worldwide level because Covid has stopped a lot of the racing," she said.

"They also had significant rule changes during that time, so a lot of the athletes out there racing don't really understand what they're allowed and not allowed to do and they haven't had much practice doing it.

"Short track has been frustrating to watch this time round. It's been nice watching my team mates, but I wanted to be out there winning a medal."

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We have a new leader. Russian Ilia Burov, a bronze medal winner in Pyeongchang four years ago, lands with a very punchy 129.50 effort to move more than three points clear of second placed Swiss Pirmin Werner in the Final 1.

When you consider there are less than three points covering second to seventh in the standings so far you get a sense of just how far ahead of the competition that effort was.

If he can repeat it in Final 2 shortly, he will be a strong candidate for gold.

Wilf O’Reilly
Former British short track speed skater on BBC TV

There seems to be an issue with the lap counter. It appears to be stuck at 11.5 laps.

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The official Beijing 2022 website is not showing any times for that first heat.

South Korea's defending champion Choi Minjeong, the world record holder, won it by a mile but will that result stand?

There was a change in placings in the final lap - possibly the extra lap - behind her.

Kim A-lang, another South Korea skater, wins the second heat.

The 1,500m should be 13.5 laps in total but there seems to be doubt over whether that was the case in the first heat.

We're completely in the dark with what has happened.

An official went over to talk to the coaches but no official announcement has been made.

The second heat is now going to begin regardless.

What has gone on here then?

There's confusion at the end of the first heat of the women's 1,500m with a suggestion the race might have gone on a lap too many!

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First up in this evening short track speed skating session is the women's 1,500m.

We begin with the six heats with three progressing from each to the semi-finals, which follow immediately afterwards.

The first medal will be handed out shortly after 12:45 GMT in the men's 5,000m relay.

Those women's 1,500m skaters will be busy. Their final concludes the action at 13:18.

Great Britain's Kat Thomson has sadly had to withdraw on medical grounds.

Ollie Williams
Commentator on BBC TV

These guys have got nothing to lose now. If you are in that bottom section you have absolutely nothing to lose, they are going to go big.

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The first jumps in the men's aerials are done.

Pirmin Werner of Switzerland's score of 126.24 is still top of the pops with Chinese home hopes Guangpu Qi and Zongyang Jia in third and fifth respectively.

American Justin Schoenefeld is in seventh place. One of those who needs more from jump two.

Donald Wilkins: How is the lad doing a front flip after landing not getting a billion points?

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To the layman it did look like a winning move...

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Swiss Pirmin Werner leads the standings after 10 jumps with a score of 126.24 ahead of American Christopher Lillis on 125.67 and Pyeongchang champion Oleksandr Abramenko - who has warmed up for this with seven days in isolation with Covid - third with a score of 123.53.

They will all be heading into Final 2 where the medals are decided at midday.

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You may have to bear with me while I explain how this men's aerials final works.

Firstly is 'Final 1'. In this section each skier jumps twice, in reverse order from their qualification scores.

The best six scores from Final 1 will then progress to the main event - Final 2.

In Final 2 each skier will just jump once - best score wins - and the scores from the first stage are not carried over.

All clear?

Overnight Great Britain's women's curling team were beaten by China, a damaging defeat that leaves them reliant on other results to have any chance of reaching the semi-finals.

The team have tweeted their reaction...

Finland have beaten Switzerland 5-1 in the ice hockey quarter-final we have been updating you on.

They join ROC and Slovakia in the semi-finals.

Sweden and Canada contest the fourth quarter-final this afternoon.

Image source, Getty Images

Image source, Getty Images

At 11:00 GMT is the first run in the final of the men's aerials.

This is the event where skiers fly down a steep ramp, leap 20m into the air, perform one trick and are scored for take-off, height, distance, tricks and landing.

The best two qualifiers were both Chinese.

Guangpu Qi led the way, followed by Zongyang Jia.

The British entrant, Lloyd Wallace, did not make the final.

Great Britain's men will play twice tomorrow.

First up is their final round robin match at 01:05 GMT against Canada, although their semi-final place is already guaranteed.

They will then return later in the day for their semi-final, possibly also against Canada, at 12:05.

Win the semi-final and they'll be guaranteed silver at worst.

Image source, Getty Images

As the medal wait goes on for Great Britain, their hopes are increasingly turning to the men's curling to break that duck.

Today's win over Russia took GB to the top of the round robin standings with one game left.

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• At 11:00 the men's aerials freestyle skiing final gets under way.
• From 11:30 attention turns to the short track speed skating for the opening rounds before medals are decided later on.
• The men's 500m relay final is at 12:44 and the women's 1,500m final is at 13:18.
• We have a women's bronze medal match in the ice hockey between Finland and Switzerland at 11:30 too.

Here are your headlines from day 12 at the Winter Olympics:

• Great Britain's wait for a medal goes on after Dave Ryding finished 13th in the men's slalom.
• GB's women's curlers suffered a damaging defeat against China which leaves them reliant on other results to have a chance of reaching the semi-finals.
• Great Britain's men won again in the curling, however. They are now top of the round robin standings with one match to play.
• Britain's James Clugnet and Andrew Young missed out on the men's team sprint cross-country final.
• The USA claimed a one-two in freestyle skiing's men's slopestyle with Alexander Hall taking gold and Nicholas Goepper silver.
• But the USA were knocked out of the men's ice hockey with a surprise quarter-final loss to Slovakia.
• Sweden won gold in the women's biathlon 4x6km relay, with Germany and Norway picking up the titles in the women's and men's team sprint classics.