Lord Sebastian Coe has said that it was "poetic justice" that the man who threw a bottle onto the track at the start of last night's 100m final was sitting next to a Dutch judo star.

The man was arrested having thrown the bottle just as the final was about to begin, although it landed behind the athletes and didn't interfere with the race.

However, world judo champion Edith Bosch got to him before the police could and "beat" the bottle thrower for his actions.

"I'm not suggesting vigilantism but it was actually poetic justic but they happened to be sitting next to a judo player. I think the expression is ippon," said Lord Coe on the matter.

"Throwing a bottle onto the field of play is unacceptable, it's not just unacceptable at an Olympic Games but at any sporting event and anybody who does that will be removed.

"There is zero tolerance for anything like that."

Usain Bolt went on to win a second consecutive gold medal in an Olympic record time of 9.63s.