Libyan militias are out of control and holding thousands of people in secret detention centres, while the weak interim government struggles to assert its authority, the UN has heard.
The owner of a French breast implant maker at the centre of a safety scare has been arrested in the south of France, police sources have said.
A group of soldiers in Papua New Guinea say they have taken control of the military and are demanding the reinstatement of the ousted PM.
Two buildings - one nearly 20 storeys high - have collapsed in Rio de Janeiro, Brazil, filling streets with masonry and covering cars with debris.
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