Police are appealing for witnesses following a serious sexual assault in Norwich.

A woman was assaulted on Marriott Way at Dolphin Bridge just before 9pm on Tuesday evening.

Officers want to speak to anyone who was in the area and may have seen or heard anything which may assist the investigation. They particularly want to speak to anyone who may have seen a man on a bicycle near the roundabout linking Barn Road, Barker Street and St Crispins Road on the inner ring road at around 9pm that night.

Anyone with information in relation to the incident should phone either DS Paul Claxton on 101 or Crimestoppers anonymously on 0800 555111.