An empty double decker bus has caught fire outside the MoD Lyneham base. 

Fire and police crews were called out to Calne Road at 2.21pm to assist with the bus which had been engulfed in flames.

A spokesperson for Royal Wootton Bassett & Cricklade Police said: "We are currently dealing with a bus fire on the A3102 near to the MoD base with our colleagues from Malmesbury and Calne.

"Thankfully the bus was empty and the driver is uninjured."

Although one lane is open, there are significant delays. 

More to follow.