Police in Derry are appealing for information following an assault in the Mimosa Court area of the city on the evening of Saturday 7 April.
At approximately 10.45pm, a 15 year old boy was assaulted by four masked men at the rear of a house, his injuries are not thought to be life threatening.
The men were armed with a suspected firearm and hammers. It is believed that the men made off via a lane to the rear of Mimosa Court.
Anyone with information about the incident is asked to contact Strand Road Police Station.