A woman in her 20s died after a road accident on the A47 on Saturday morning.
She was driving a Honda Accord which was involved in a collision on Sporle Road in Swaffham just after 5.30am.
Emergency services attended but the woman died at the scene.
A male passenger, also in his 20s, suffered minor injuries and was taken to the Queen Elizabeth Hospital in King’s Lynn, before being arrested in connection with the incident, questioned and later released on police bail.
Police are appealing for anyone who may have witnessed the incident or anyone with dashcam footage to come forward.
Anyone with information should contact the Serious Collision Investigation Unit on 101 or via email: SCIU@norfolk.pnn.police.uk quoting incident 100 of 29 June 2022.
Alternatively, contact Crimestoppers anonymously on 0800 555 111.