Police are appealing for witnesses following a robbery in North Lynn.
The incident took place between 11am on Saturday, December 12 and 5am on Sunday, December 13.
The victim, aged in his 20s, was walking in the area of Woolstencroft Avenue and Columbia Way when he was approached by an unknown male who punched him and is believed to have stolen cash and a mobile phone.
Officers would like to hear from anyone who may have witnessed the incident or have any information relating to what happened.
Witnesses are asked to contact Det Con Sam Harris at Lynn CID on 101 (calls 15p) or Crimestoppers anonymously on 0800 555111 or through their Anonymous Online Form at www.crimestoppers-uk.org.