Adam Peaty wins 100m breaststroke gold in world record time
Wales' Jazz Carlin wins 400m freestyle silver 14 minutes later
USA's Michael Phelps wins relay to claim his 19th gold
Murray brothers and Williams sisters out of tennis doubles
Djokovic loses in tennis singles first round
Adam Peaty wins gold
GB gold medalist and world record holder Adam Peaty:"It's so surreal to get Team GB's first gold. This is a product of seven years' work. I did it for my country. It means so much to me.
"My coach Mel Marshall is one of the best coaches in the world. She understands every athlete's need. she didn't need to get me pumped up. Down that last 50m I knew I was winning!"
Image source, Getty ImagesCarlin wins women's 400m freestyle silver
Adrian Moorhouse
1988 Olympic 100m breaststroke champion on BBC TV
Jazz Carlin couldn't have done any more. I am really impressed. She dealt with the first 100m really well when Katie Ledecky had a huge lead. She stuck to her own pace and then held off Smith.
Adam Peaty wins gold
Adam Peaty wins gold
Mother Caroline Peaty: Wow. All I can say. I don't know whether to cry. I'm so proud of him
Girlfriend Anna Zair: It went on forever. I can't believe it happened. I have to pinch myself.
Father Mark Peaty: I've lost my voice a bit. Very good. He's got two world records in a matter of two days.
Women's 400m freestyle
Stunning swim by Katie Ledecky. She wins in 3:56.46.
She beat Jazz Carlin by 4.77 seconds!
Leah Smith has bronze.
Women's 400m freestyle
She's got it! A second medal in the pool for Team GB. Jazz Carlin is second...
Image source, Getty ImagesWomen's 400m freestyle
Jazz Carlin still in second, looking good...
Women's 400m freestyle
Katie Ledecky is taking this world record apart out in front. In her own race at the front.
Women's 400m freestyle
Jazz Carlin looking very good in second. Very good. A second medal in a few minutes?
Women's 400m freestyle
Katie Ledecky is home and hosed for gold, nobody will catch her. Jazz Carlin is currently in second...
What an hour or so of sport. The Olympics in a mid-night nutshell. Golds, world records and gut-wrenching disappointment...
Women's 400m freestyle
Eight lengths of the pool. An hour's workout for you and I, a sprint for these girls.
Jazz Carlin goes for a medal for GB.
Peaty wins gold
Djokovic 6-7 (4-7) 6-7 (2-7) Del Potro
He's gone!! Novak Djokovic is out of Rio 2016.
The Serb world number one grins as he goes to shake the hand of Juan Martin del Potro. He isn't happy.
The Argentine comeback kid racks up FIVE match points. A stinging cross-court forehand from Djokovic staves one off. But not the second.
Del Potro, whose career has been stalled by serious wrist injuries over the past couple of years, takes the acclaim of the Olympic Tennis Centre.
Women's 400m freestyle
1 Boglárka Kapás Hungary
2 Brittany MacLean Canada
3 Leah Smith United States
4 Katie Ledecky United States
5 Jazz Carlin Great Britain
6 Coralie Balmy France
7 Jessica Ashwood Australia
8 Tamsin Cook Australia
Women's 400m freestyle
American swimmer Katie Ledecky set a new Olympic record in the heats of the women's 400m freestyle - as Britain's Jazz Carlin qualified second fastest.
Ledecky won her heat in three minutes 58.71 seconds, just outside her world record time of 3:58.37.
Carlin's time of 4:02.83 was a personal best, as she reached the final, which takes place next.
Ledecky all the way? The 19-year-old could be one of the real stars of the Games. She won five golds at last year's world championships.
Image source, Getty ImagesAdam Peaty tells BBC Sport that it is a surreal moment to get Team GB's first medal.
GB on the board
A first medal for Great Britain too. And you will go a long way until you see as big a win as that.