NEWMARKET, Ont. -- Police have charged a 29-year-old woman they allege shot a pellet gun at a group of people playing Pokemon Go north of Toronto.

York Regional police say they received a call around 10:30 p.m. Saturday that someone was shooting at several people playing the popular smartphone game in Newmarket, Ont.

The game sends players into the real world to search for digital monsters known as Pokemon, who appear on screen when users hold up their devices in various locations at various times.

Police say witnesses saw a woman shooting at the players from a nearby rooftop with a pellet gun that looked like a handgun.

No one was hurt in the incident, but police say at least four shots were fired.

Police charged Patricia Champagne, of Newmarket, with assault with a weapon and assault with a weapon for a dangerous purpose.