A drive-by shooting has forced the closure of London's Waterloo Bridge, police said.

A man in his 20s was injured when vehicle travelling southbound had been being shot at by someone on a motorcycle, the Met Police believe.

Officers were called to the bridge about 20:00 GMT to reports of a shooting at the approach to the bridge.

The victim was taken to hospital but his injuries are not serious. Three people were arrested, police said.