Detectives are appealing for information following a report of an aggravated burglary in the Grafton Street area of Derry on Sunday, July 9.
Detective Sergeant Gavin McLaughlin said: “Shortly before 11pm, it was reported that a 34 year old man had been assaulted in a house in the area.
“Two men, one armed with a golf club, forced their way into the property and assaulted the man.
“The victim sustained head injuries and was taken to hospital for treatment.
“Enquiries are continuing to establish the circumstances surrounding the incident and we would appeal to anyone with any information to contact detectives on 101, quoting reference number 1986 09/07/23.
“Alternatively, you can submit a report online using the non-emergency reporting form via www.psni.police.uk/makeareport/.”