Great Britain's Reece Prescod with a late surge and it looked as if he he may have snatched the victory away from Christian Coleman on the finish line.
The photo finish gives the win to the American.
Video content
Video caption: Great Britain's Reece Prescod finishes in second in men's 100mGreat Britain's Reece Prescod finishes in second in men's 100m
Watch: Asher-Smith finishes second
Women's 200m
It's second place in the women's 200m for Great Britain's Dina Asher-Smith.
The 22-year old finishes behind Bahamian Shaunae Miller-Uibo.
Here is now the race played out.
Video content
Video caption: Dina Asher-Smith finishes second in women's 200mDina Asher-Smith finishes second in women's 200m
Watch: Muir victorious for Great Britain
Women's 1000m
What a final lap from Laura Muir!
Just when it looked like the British athlete was getting reeled in, she dug deep and pulled away from the rest to take victory for Great Britain at the Birmingham Grand Prix.
Video content
Video caption: Laura Muir wins women's 1000m for Great BritainLaura Muir wins women's 1000m for Great Britain
Watch: Hughes second in opening heat race
Men's 100m
Great Britain's Zharnel Hughes does enough to qualify for the next stage of the men's 100m.
The Briton finishes just behind South Africa's Akani Simbine who is victorious in the opening race of the day.
Video content
Video caption: Zharnel Hughes finishes second in opening heat of men's 100m hurdlesZharnel Hughes finishes second in opening heat of men's 100m hurdles
GB interest
Video content
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Britain's European champions Dina Asher-Smith, Zharnel Hughes and Matthew Hudson-Smith are the headline acts in the penultimate Diamond League meeting before the Grand Final.
Asher-Smith, who completed the sprint double in Berlin, will compete in the 200m at 15:44 BST. European 100m champion Hughes and silver medal-winning team-mate Reece Prescod will line up against the world's best 100m sprinters.
Hudson-Smith won 400m individual gold and relay silver in Berlin and will look to challenge Iwan Thomas' British national record, which stands at 44.36 seconds.
Former Olympic, world, European and Commonwealth champion Greg Rutherford will compete in the long jump for the final time before retiring from the sport while Britain's Laura Weightman features in the 1500m after taking bronze in the event at the European Championships.
Birmingham Grand Prix
ReutersCopyright: Reuters
The Birmingham Grand Prix follows what was a successful European Championships for the British team and is the penultimate leg of the Diamond League series.
Britain's finest will get the chance to test themselves against the very best in the world, with the likes of American sprinters Noah Lyles and Michael Rodgers, Kenyan 800m star Emmanuel Kipkurui Korir and Holland's European 5,000m champion Sifan Hassan all scheduled to compete.
Athletes earn points during the Diamond League series with those accumulating the most points in each event qualifying to compete in the Grand Final, which will be held over two nights in Zurich and Brussels (30-31 September).
Coverage times
13:15-16:30 BST - BBC One, connected TVs and online
Available to UK users only.
Get Inspired: How to get into athletics
Get Inspired
#GetInspired
You might want to be the next Dina Asher-Smith or just want to get fit and see how well you can do - either way, athletics can be the sport for you.
It includes a huge variety of disciplines, so whether you want to run, jump or throw you can find an activity that suits your capabilities.
Live Reporting
All times stated are UK
Video caption: Great Britain's Reece Prescod finishes in second in men's 100mGreat Britain's Reece Prescod finishes in second in men's 100m Video caption: Dina Asher-Smith finishes second in women's 200mDina Asher-Smith finishes second in women's 200m Video caption: Laura Muir wins women's 1000m for Great BritainLaura Muir wins women's 1000m for Great Britain Video caption: Zharnel Hughes finishes second in opening heat of men's 100m hurdlesZharnel Hughes finishes second in opening heat of men's 100m hurdles 
ReutersCopyright: Reuters 
Getty ImagesCopyright: Getty Images
Latest PostWatch: Prescod second in photo finish
Men's 100m
A close finish in the men's 100m!
Great Britain's Reece Prescod with a late surge and it looked as if he he may have snatched the victory away from Christian Coleman on the finish line.
The photo finish gives the win to the American.
Video content
Watch: Asher-Smith finishes second
Women's 200m
It's second place in the women's 200m for Great Britain's Dina Asher-Smith.
The 22-year old finishes behind Bahamian Shaunae Miller-Uibo.
Here is now the race played out.
Video content
Watch: Muir victorious for Great Britain
Women's 1000m
What a final lap from Laura Muir!
Just when it looked like the British athlete was getting reeled in, she dug deep and pulled away from the rest to take victory for Great Britain at the Birmingham Grand Prix.
Video content
Watch: Hughes second in opening heat race
Men's 100m
Great Britain's Zharnel Hughes does enough to qualify for the next stage of the men's 100m.
The Briton finishes just behind South Africa's Akani Simbine who is victorious in the opening race of the day.
Video content
GB interest
Video content
Britain's European champions Dina Asher-Smith, Zharnel Hughes and Matthew Hudson-Smith are the headline acts in the penultimate Diamond League meeting before the Grand Final.
Asher-Smith, who completed the sprint double in Berlin, will compete in the 200m at 15:44 BST. European 100m champion Hughes and silver medal-winning team-mate Reece Prescod will line up against the world's best 100m sprinters.
Hudson-Smith won 400m individual gold and relay silver in Berlin and will look to challenge Iwan Thomas' British national record, which stands at 44.36 seconds.
Former Olympic, world, European and Commonwealth champion Greg Rutherford will compete in the long jump for the final time before retiring from the sport while Britain's Laura Weightman features in the 1500m after taking bronze in the event at the European Championships.
Birmingham Grand Prix
The Birmingham Grand Prix follows what was a successful European Championships for the British team and is the penultimate leg of the Diamond League series.
Britain's finest will get the chance to test themselves against the very best in the world, with the likes of American sprinters Noah Lyles and Michael Rodgers, Kenyan 800m star Emmanuel Kipkurui Korir and Holland's European 5,000m champion Sifan Hassan all scheduled to compete.
Athletes earn points during the Diamond League series with those accumulating the most points in each event qualifying to compete in the Grand Final, which will be held over two nights in Zurich and Brussels (30-31 September).
Coverage times
13:15-16:30 BST - BBC One, connected TVs and online
Available to UK users only.
Get Inspired: How to get into athletics
Get Inspired
#GetInspired
You might want to be the next Dina Asher-Smith or just want to get fit and see how well you can do - either way, athletics can be the sport for you.
It includes a huge variety of disciplines, so whether you want to run, jump or throw you can find an activity that suits your capabilities.
Find local athletics opportunities in England, Northern Ireland, Scotland and Wales.
Plus check out our Get Inspired guide to the main categories of athletics here.