News brief: Big stories of the day

Gunmen killed at least eight Chadian UN peacekeepers in an attack Sunday on one of their bases in northern Mali, said a source close to the MINUSMA force.

Britain's parliament has no right to try to "hijack the Brexit process", Trade Minister Liam Fox said on Sunday, after several lawmakers indicated they were launching attempts to take more control over the departure from the European Union.

Two-time defending champion Roger Federer on Sunday was knocked out of the Australian Open after he was beaten in four sets 6-7 7-6 7-5 7-6 by Stefanos Tsitsipas.

A Taliban suicide bomber killed at least seven security guards Sunday after targeting the convoy of an Afghan governor, officials said, in the latest violence to rock the war-torn country.

A crackdown last week on protests in Zimbabwe is a foretaste of how the government will respond to future unrest, the president's spokesman said, fuelling concerns that the country is reverting to authoritarian rule.