Fireworks mark the end of London 2012 Olympics (video)

The London 2012 Olympics closed on Sunday with an impressive firework display which beautifully lit up the sky above the city. Music filled the stadium and the Olympic flag was handed on to Rio de Janeiro.

The London 2012 Olympics are now officially over, and closed with a spectacular event, starring British musicians The Spice Girls, Muse, George Michael, Brazilian football legend Pele and a cast of more than 4,000 others... read more and watch video.

Olympics 2012: Twitter users blamed for disrupting TV coverage

Games organizers are blaming Twitter users for overloading data networks with their tweets, as they attend the London Summer Olympics. According to organizers, the deluge of tweets has already disrupted TV coverage of the cycling road races.

Each competitor's bike has a GPS chip, which transmits vital data to chart their progress in the race. Commentators were apparently unable to advise viewers of the positions and timings of the racers, because the data could not get through from the GPS satellite navigation system... read more.