Toronto police issued an alert after a man was charged in connection with two sexual assaults in the city last week.
Police said that on Friday, a man sexually assaulted two women in the Thorncliffe Park neighbourhood.
Investigators believe there may be other victims, police said.
On Tuesday, police arrested Sasa Skobalj, 25, of no fixed address.
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Police said he faces a number of charges, including two counts of sexual assault with a weapon or an imitation weapon, possession of a weapon for committing an offence, and two counts of pointing a firearm.
Skobalj is scheduled to appear in court on Aug. 23.
Anyone with information can contact police at 416-808-5300 or Crime Stoppers anonymously at 416-222-8477.