Colombia's main rebel group, the Farc, denies it is moving too slowly to end five decades of conflict, six months after peace talks began.

Canada Prime Minister Stephen Harper's top aide resigns over his role in a growing expenses scandal.

At least three police officers have been killed after gunmen attack their station in northern Iraq, local officials say.

Egyptian President Mohammed Morsi rules out negotiating with the abductors of seven security personnel seized last week in the Sinai peninsula.

At least 20 people are killed when a mine collapses in eastern Democratic Republic of Congo, the government says.

Argentina's former military leader Jorge Rafael Videla has died aged 87 while serving a sentence for crimes against humanity, including torture.

At least one person is reported dead and several others injured in a series of tornadoes that have torn through the US state of Oklahoma.

A senior doctor treating Alberto Fujimori says the jailed former president of Peru has severe and worsening health problems.