The United States and Britain are pulling troops from the Al-Udeid air base in Qatar ahead of potential U.S. military intervention against Iran.

This is a breaking news story.

Officials say it is a "precautionary measure" and comes as Donald Trump weighs up whether to take action against Iran.

The United States and Britain are pulling troops from the Al-Udeid air base in Qatar ahead of potential U.S. military intervention against Iran.

Tensions are rising in the region after the US began to withdraw some personnel from an airbase in Qatar.