US bombs Syria targets after deadly drone attack

The US has carried out air strikes against Iran-linked groups in eastern Syria after a drone attack killed a US contractor, the US defence chief said.

Eight pro-Iran fighters were killed, according to a monitoring group.

Defence officials said the air strikes happened on Thursday night, hours after the drone attack which US intelligence said was "of Iranian origin".

US bases in north-east Syria have come under attack before, with the US responding with air strikes.

Last August, the US bombed sites in eastern Syria which it said were linked to...