London police are looking for four men after an incident at a residence on Wellington Street.

Police say it happened on March 30 around 10:40 p.m. on Wellington near South Street.

The men allegedly demanded the occupant open the door, but left after being unsuccessful gaining entry. It was reported that one of the males had a gun.

The suspects are all described as black men in their 20s.

The first suspect was 6'2" tall with a slim build, clean shaven and wearing a red and black jacket, dark blue jeans, black shoes and classes.

The second suspect had a lighter complexion, medium build, clean shaven, thick black hair and wearing a dark grey hoodie, black pants and black Adidas with white stripes.

The third suspect had a slim build, clean shaven, corn rows and was wearing a black 'North Face' hooded jacked with white lettering, black pants, black shoes and a white hoodie.

The fourth suspect had a medium build, goatee and was wearing a black baseball cap with a red brim, black leather jacket, black pants and black shoes.

If anyone has information that may help the investigation, they are asked to call London police at 519-661-5670 or Crime Stoppers at 1-800-222-TIPS or www.londoncrimestoppers.com.