Boxer Nicola Adams strikes gold again for Team GB but Tom Daley flops in diving
Britain's greatest female boxer Nicola Adams has claimed her second Olympic victory, boosting Team GB's gold medal tally to 26.
The 33-year-old gave a beaming smile after being declared the winner in the women's flyweight division in Rio, saying : "The gold rush continues".
The triumph came after Tom Daley crashed out of the men's individual diving, in a shock exit which denied him a chance at a second medal at the Games.
The champion diver hoped to take gold, bettering the bronze he achieved in London four years ago, but instead finished last in the semi-finals.
Speaking shortly after the surprise flop, Daley said: "I guess I'm kind of in shock right now because I know that I could win that gold medal and am probably the only one who could challenge the Chinese for that gold."
His partner Dustin Lance Black tweeted a message of support, saying: "We are all so proud of all you've achieved here in #Rio2016 @TomDaley1994. We fight again another day! ONWARD!"
Daley said the defeat will motivate him to compete in the next Games in Tokyo.
"It definitely does give me that kick to come back in 2020," he said. "I want to be Olympic champion - that's been my dream since I was a kid. At the Olympics you can get your dreams crushed in an instant, so it's tough."
Adams, the first British boxer to retain an Olympic title in 92 years, said she felt "amazing" after the win.
She told the BBC: " The gold rush continues. I can't believe it. I'm now officially the most accomplished amateur boxer we have ever had, like ever, and it's such an amazing feeling."
She added: "It takes a lot to win an Olympic medal, especially to be able to do it twice."
Adams's achievements followed a number of other firsts as Liam Heath took gold, to become Britain's most successful Olympic canoeist, and Vicky Holland clinched bronze - Team GB's first medal in the women's triathlon.
Heath described the feeling of winning the K1 200m final, two days after he scooped silver alongside Jon Schofield in the doubles event, as "absolutely incredible".
He said: "I've got the set now after bronze in London and silver and gold here. It's incredible. I'm over the moon."
Holland, who beat her flatmate Non Stanford to make into onto the podium, said: "I can't describe it right now. I've had a really rollercoaster 24 hours, I've been a bit sick and I just did not know how I was going to be feeling today. I was really nervous because I thought maybe I will just be a bit flat and empty."
There was also a historic victory for the women's hockey team, as they took their first gold in what s tar player Maddie Hinch described as a "huge team effort" and a "great advert for hockey".
Lutalo Muhammad came agonisingly close to adding to the golden haul when he was beaten in the last second of a dramatic men's 80kg taekwondo final, taking silver.
His disappointment was painfully clear after his 8-6 defeat to Cheick Sallah Cisse of the Ivory Coast, as the 25-year-old wept when he spoke to the BBC.
He said: "I'm so distraught. I was so close to becoming Olympic champion and making my dream."
Meanwhile there was joy for the women's track team as Team GB won their first Olympic 4x100 metres medal in more than three decades, breaking the national record en route to bronze.
But the night belonged to the world's fastest man as Usain Bolt ended his last Olympics by completing a clean sweep of 100 metre, 200 metre and sprint relay golds in three successive Games.
The Jamaican carried his compatriots to victory in the men's 4x100 metres relay and scooped his ninth Olympic gold in a sublime swansong race.
In typical style, Bolt, who celebrates his 30th birthday on Sunday, surged along the final straight and away from second-placed Japan to huge cheers.
Golfer Charley Hull, who was at one point within a shot of the bronze position, said she had "a fantastic experience" at her first Olympics.
She said: "It is a shame I couldn't come away with a medal but I finished tied seventh. If you finish in the top 10 in a major it is a pretty good week so I am happy."