Detectives at Strand Road are appealing for information about an assault on a man in the Waterside area of Derry.
Shortly before 8pm on Holy Thursday, April 2, two masked men forced open the door of a house at Moore Street off Fountain Hill and assaulted a 23-year-old man inside.
Police have confirmed that the man did not need hospital treatment.
PSNI Inspector Jonny Hunter said the men gave the appearance of being armed, although no weapon was seen.
No motivation was mentioned during the attack.
It is believed the men left in a vehicle afterwards.
The number to call with any information is 101, or Crimestoppers anonymously on 0800 555 111.