The authorities in Pakistan arrest two senior police officers accused of negligence in the 2007 killing of former Prime Minister Benazir Bhutto.

A California mall is evacuated as a 5,000-strong flash-mob of singers organised by a local choral society cause the building to shake.

Spanish lawmakers back tough new anti-smoking legislation, banning lighting up in any enclosed space from 2 January.

The UN secretary-general warns there is a "real risk" of a return to civil war in Ivory Coast after the disputed presidential election.

Mexico disputes El Salvador's allegation that dozens of Central American migrants who had stowed away on a cargo train were kidnapped by gunmen.

A scientific panel has found Canada has "no system" for monitoring how Alberta's oil sands projects may be polluting local waterways.

The UN votes to restore a reference to sexual orientation in a resolution against the unjustified killing of minority groups, after heavy US pressure.

Troubled celebrity Lindsay Lohan is under investigation for alleged battery of a worker at a drug and alcohol rehab clinic, police say.