Updated: How to watch the Rio 2016 Olympic Games

How to watch the Rio 2016 Olympic GamesIt's Day 9 of the Rio 2016 Olympic Games, and there's no doubt about the highlight of this second Sunday, with the world's fastest man, Usain Bolt, defending his 100m title this evening. Bolt will face a strong challenge from the USA's Justin Gatlin, who's the fastest man over the distance this year.Also on the track, Team USA's LaShawn Merritt goes for gold in the men's 400m, with the Beijing 2008 champion hoping to make up for the disappointment of London