Two women and a vulnerable young boy have been left shaken after being threatened by a masked gang in Derry.
The incident happened at O'Casey Court on Wednesday.
PSNI Inspector Ian Hunt said: "Police received a report of a number of masked males outside a property in the O'Casey Court area at around 9.50pm. It was reported one of the males possibly had a firearm.
"Three people in the property, including two females, aged in their 60s and 40s, and a vulnerable young boy were uninjured during the incident, however this was a frightening ordeal for the occupants who were left shaken."
Anyone with information is asked to contact the PSNI on 101.