Gulf states fuel Syria isolation New Maldives leader pledges order Iranian president summoned by MPs LA abuse school removes all staff Euro 'could survive Greece exit' Obama to give back campaign funds Chinese workers released in Sudan 'Suicide attack' on Nigeria army Japan refinery tunnel collapses Brazil sues Twitter over alerts Glencore-Xstrata in $90bn merger Freeze prompts Europe emergencies Google targets tech 'moonshots' Skydiver planning 36km record bid Canada PM in China to discuss oil Internet cams video feeds exposed Brazil police stand-off continues Venezuela holds Colombia fugitive