All British diplomatic staff in Yemen have been withdrawn to the UK and the embassy closed "due to increased security concerns", the Foreign Office has said.
Dozens of employees were moved to the UK overnight, the BBC understands.
Earlier the United States ordered all its citizens in the country to leave following a terror alert.
Twenty US embassies and consulates in the Middle East and North Africa were closed suddenly on Sunday.
Source: BBC. Read full article. (link)