US President Barack Obama says he is "heartbroken" after a senior White House employee is killed on a charity bike ride.

Yukiya Amano, the head of the IAEA, visits Iran's Parchin military site as he starts a visit considered key to the recent deal agreed with world powers.

Three explosions hit a mosque in Maiduguri, the birthplace of the militant group Boko Haram, with unconfirmed reports of casualties.

Australian Prime Minister Malcolm Turnbull defends his cabinet choices the day they are sworn in at Government House in Canberra.

The long-awaited extradition hearing for internet entrepreneur Kim Dotcom by US authorities opens in Auckland, New Zealand.

Apple says it is taking steps to remove a malicious software program found in a number of applications used by owners of iPhones and iPads in China

Game of Thrones is among the winners at this year's Emmy awards in Los Angeles.

Thousands more migrants have arrived in Austria as EU leaders prepare for a fresh push to find a co-ordinated response to the crisis.