British Prime Minister Theresa May faced down a backlash against her strategy for leaving the European Union on Monday as both her Foreign Secretary Boris Johnson and Brexit minister David Davis resigned in protest.

A US judge on Monday gave the government more time to reunite migrant children aged five or younger with their parents separated as a consequence of a "zero tolerance" policy, US media reported.

President Recep Tayyip Erdogan on Monday took on greater powers than any Turkish leader for decades as he was sworn in for a second presidential term, naming his son-in-law to the key post of finance minister in a revamped cabinet.

The toll in deadly rainfall that has devastated parts of Japan with flooding and landslides rose Tuesday to 141, as hopes faded that further survivors could be found.

Ten people were killed and more than 70 injured on Sunday when a train packed with weekend passengers derailed in northwest Turkey, the health ministry said.

Britain's Brexit minister David Davis and one of his deputies resigned on Sunday in a major blow for Prime Minister Theresa May as she tries to unite her party behind a plan to retain strong economic ties to the European Union even after leaving the bloc.

Six members of Tunisia's security forces were killed on Sunday in a "terrorist attack" near the border with Algeria, the interior ministry said, the country's deadliest such incident in over two years.

Four boys among a group of 13 trapped in a flooded Thai cave for more than a fortnight were rescued on Sunday, authorities said, raising hopes elite divers would also save the others.

 A former military diver has died after running out of oxygen while assisting in the rescue of 12 boys and their football coach trapped inside a cave in Thailand, an official said on Friday.