Two pedestrians who were killed in a 'serious collision' on Saturday evening (5 August) were a father and his young son.
A 48-year-old man and his 11-year-old son were hit on Rue de Fauvic in Grouville at around 9.30pm. The vehicle didn't stop.
All emergency services attended, but both died in hospital from their injuries a short while later.
A 28-year-old man was arrested the following morning on suspicion of causing death by dangerous driving and failing to stop and report an RTC.. He remains in custody.
Officers are now appealing for CCTV or dashcam footage from the Rue de Fauvic area between 9pm and 9.40pm on Saturday.
Anyone with information should call SoJP on 612612 (options 2, then option 4) or Crimestoppers anonymously on 0800 555 111.
Jersey's oldest gorilla dies from cervical cancer
More revealed about missing Adam McGrath's last movements
37 affordable homes approved for St John
'Music Manifesto' asks government to support Jersey's music sector
Fort Regent plans will include skate park and children's play area
Ban on new fossil fuel boilers delayed
Jersey's Royal Marines Cadets crowned Britain's best
Politicians recommend improvements to Jersey's assisted dying proposals