"The guy pulled out his gun, he cocked it, put it to my forehead and said, 'Get down'."

Ryan Lochte, US swimmer, becomes the latest victim of Rio's criminal fraternity

"I have never seen anything like that. It is amazing. That was a massacre by van Niekerk."

Michael Johnson, retired US sprinter, tips his hat to South African Wayde van Niekerk, who broke his 1999 400m record

"I'm glad to be out now. Don't want to go diving in the swamp again."

Maddison Keeney, Australian diver, is happy to leave Rio's green pool behind

"I sat in anti-doping for two hours waiting to go to the toilet."

Jessica Ennis-Hill, British heptathlete, describes how she spent her time after winning silver on Saturday

"I wanted to let them know that when I am in there and dominating and hitting them it doesn't necessarily mean that I can't take it. You can entertain a little bit and then go back to the boxing."

Joshua Buatsi, Britain's light-heavyweight knockout sensation, who sealed at least a bronze by beating Algeria's Abdelhafid Benchabla

"We are pursuing an aggressive but feasible goal of being in the top 10. We're not going to analyze it prematurely"

Marcus Vinicius Freire, sports director of the Brazilian Olympic Committee