A man is being held on suspicion of attempted murder after three people - including two police officers - were hit by a car.
The officers - a man and a woman - had been carrying out a routine drugs check at the side of a road in Littlehampton in the early hours of this morning. Police say the driver of a Mercedes-Benz saloon drove towards them, hitting the officers and the man they were with. All three were taken to hospital with serious injuries.
The incident happened at the Bodyshop roundabout on the A259 at Littlehampton at approximately 1.05am. It is being treated as deliberate.
The 20-year-old driver ran off but was caught by officers and arrested on suspicion of attempted murder.
The two male passengers also ran off, and have not yet been found.
The road was closed for the scene to be secured and examined.
This is being investigated as a deliberate attack on two police officers in the course of carrying out their duties. Their injuries, and that of the man they were with, whilst serious, are not believed to be life threatening.