A man was arrested on suspicion of causing serious injury by dangerous driving and failing to stop after an accident after a car collided with two pedestrians and a shop in Hove.
At about 9.30pm on 29 March, police were called to the incident in Western Road involving a blue Maserati 3200, which crashed into the window of Fox and Sons.
The two pedestrians were hurt one of whom sustained serious injuries.
A 31-year-old man was detained for driving without insurance. He was interviewed and released under investigation.
Police would like to speak to the rider of a motorcycle who may have witnessed the incident who was travelling east on Western Road and may have turned right down Bedford Place.
If you have any information please report online or phone 101, quoting Operation Gunton.