Hamilton police are looking for a suspect that is believed to be responsible for four street muggings in the city's west end.
In all four cases, the man has been riding a bike and is armed with a handgun.
Police say he has demanded purses, wallets and cash but none of the victims have been harmed.
The most recent robberies occurred yesterday afternoon at around 5:30 at the intersection of Broadway Street and Ward Avenue, and on the rail trail near Rifle Range Road.
The suspect is white, in his 20's, with a thin build and wearing dark clothing.
Anyone with information is asked to call Hamilton police or Crime Stoppers.