London police are investigating an armed robbery that happened Saturday night at a variety store in the northwest end.

Police were called to Happy Days Mini Mart at 1438 Aldersbrook Rd. just after 11 p.m.

They say a man masked with a balaclava took an undisclosed quantity of cash.

An employee at the store confirmed that nobody was injured.

The suspect is a white male with a slim build. He stands about 5-foot-5 and was wearing a dark jacket, blue jeans and black shoes.

Anyone with information in relation to this incident is asked to call London police at 519- 661-5670 or Crime Stoppers at 1-800-222-TIPS (8477). Information can also be sent in on-line anonymously to