Police in Foyle are appealing for information after a report of an assault at the Beechwood Crescent on Saturday, December 28.
It was reported that a male asked a male and a female to come out of the bad weather into his home. The male was then assaulted and knocked unconscious. It is believed his mobile phone and television were taken during the incident.
Enquiries are continuing and anyone who was in the area is asked to contact police at Strand Road on 0845 600 8000 or Crimestoppers on 0800 555 111.