A driver has been arrested on suspicion of attempted murder after two police officers and another man were hit by a car in West Sussex.

The police officers were carrying out a routine drugs check at the side of the A259 in Littlehampton at about 01:05 BST when they were struck.

A Mercedes-Benz which was driving at speed hit the officers and the man they were with.

All three have been taken to hospital and treated for serious injuries.