A man was injured after being hit by a taxi as he crossed St John’s Main Road.
Police want to speak to the passenger who was in the taxi at the time.
A 23-year-old man was treated in hospital after being knocked to the ground by a Silver Toyota Prius on La Grande Route de St Jean, near the St Helier Parish nurseries.
The driver left the scene before police and paramedics arrived, but returned a short time later and was spoken to.
Officers want to speak to the passenger in the taxi at the time of the collision.
The man – described as being around 50 – was taken from the Weighbridge to St John’s Church at around 2:30am on Saturday morning.
The injured man was later discharged from hospital.
Anyone else with any information is asked to contact police on 612612 or the independent charity Crimestoppers anonymously on 0800 555 111 or via their Anonymous Online Form at Crimestoppers-uk.org

Police share update on suspected murder in Alderney
Haut Du Mont trial: Supervisor 'felt really responsible' when told of explosion
Plan to relocate Apple Crusher abandoned
Suspected murder in Alderney
Jersey Museum visitors fall after entry fees introduced
'World-class' Green Skills Academy unveiled
Charity to deliver new community course to build upcycling skills
Seven straight swim marathons for Jersey surgeon