France, March 7 -- Britain's defence ministry said the US had begun using the military sites for "specific defensive operations to prevent Iran firing missiles into the region".

UK Prime Minister Keir Starmer annoyed US President Donald Trump for initially refusing to have any role in the US-Israeli war with Iran, which started a week ago, on 28 February.

He later agree to a US request to use two British military bases for a "specific and limited defensive purpose".

Those bases are Fairford in Gloucestershire, western England, and the UK-US Diego Garcia base on the Chagos Islands in the Indian Ocean.

A US Air Force B-1 Lancer bomber landed at Fairford on Saturday, an AFP photographer saw.

An American C-5 Galaxy plane could also be se...