A WORCESTERSHIRE MP caught the moment a double decker bus dramatically explodes in the heart of London - all for a movie.

Londoners were left confused as they saw the bus go up in flames as it drove along Lambeth Bridge in central London on Sunday.

Conservative MP for Mid Worcestershire Nigel Huddleston posted a video of the explosion on Twitter with the message: "Anyone worried about the exploding bus on Lambeth Bridge just now? It was just for a movie."

He later added: "Great that London is such a desirable film location but clearly a need to improve notifications."

A spokesman for the Port of London Authority confirmed it was a stunt for a film and that the bridge was closed off.

But the scene took some by surprise.

Author Sophie Kinsella wrote on Twitter: "Hey film types, next time you blow up a bus on Lambeth Bridge maybe tell us first so children in park aren't freaked?"

The controlled explosion was shot for a scene in new action flick The Foreigner, starring Jackie Chan and Pierce Brosnan.

In a notice warning residents about it, film producers described the film as a "gritty action thriller". It is directed by Martin Campbell, who was behind James Bond films Casino Royale and GoldenEye.

The notice, posted on Twitter, stated: "The explosion is controlled and operated by our special effects team."

It added: "Every precaution will be taken to ensure the safety of the people in the area."