LONDON, Ont. - London police are investigating after a series of robberies took place early Saturday morning involving several men brandishing knives.

In total, there were five separate robberies.

Police say the incidents happened between 12:15 a.m. and shortly before 2 a.m. as people were walking outside.

By the descriptions witnesses gave to police, it seems there are two or three men involved but police say there could be more.

In each case, the men were holding knives and took property from the victims who did not sustain any injuries. The men fled on foot.

The suspects covered their faces and are described as men in their late teens or early twenties, with a slim build.