North Korea Claims Success in Fifth Nuclear Test

North Korea says it has successfully carried out its fifth nuclear test. The announcement on state media came hours after a seismic event was detected near its nuclear test site. South Korea believes it is the North's biggest ever test, raising fears it has made significant nuclear advances.

A policeman in France has been stabbed during an operation to arrest three women in connection with a car found containing gas canisters near Paris' famous Notre Dame cathedral last Sunday. Officials said the suspects were "radicalised" and appeared to have been preparing an immediate attack.

More than four thousand competitors from a hundred and sixty nations are taking part. But the Russian team is not there - the whole team has been banned following state sponsored doping. However, Anton Porotikov is one Russian fan who has gone to Rio – we find out why.