The father and son who were killed in a crash in Grouville have been named by police.
48-year-old Dean Richard Lowe and his 11-year-old son Charlie Lowe were hit by a vehicle on Rue de Fauvic on Saturday evening (5 August). The vehicle didn't stop at the scene.
Emergency services were called to the road at around 9.30pm.
A 28-year-old man was arrested in St Helier the following morning on suspicion of causing death by dangerous driving and failing to stop and report an RTC. He remains in police custody.
Officers are appealing for CCTV and dashcam footage from the area between 9 and 9.40pm.
Anyone with information should call SoJP on 612612 (options 2 and then 4) or Crimestoppers anonymously on 0800 555 111.

Jersey and Guernsey women's teams to make FA Cup debuts
Fete de St Helier returns
States set to debate dogs on beach restriction times
Over 300 Jersey students have received Meningitis B vaccine
Government begins recouping over £278m in 2019 tax
Could al-fresco dining and more festivals make St Helier vibrant again?
More cyclists travelling 'at dangerous speeds' in pedestrian areas
Call for more eastern play facilities as Sandy Park reopens