A man in his 50s has been charged after two sexual assaults were reported on the TTC on the weekend.

Police have provided few details, but said that a girl was assaulted by an unknown man on a subway train at College Station on Sunday afternoon.

Shortly after the first assault, it is believed that a second female was assaulted by the same man at Bloor-Yonge Station, police said. Officers have not been able to locate the second victim, but said the assault was reported by witnesses on the train.

Police said 52-year-old Marek Kaszuba was arrested Sunday, and has been charged with two counts of sexual assault and one count of sexual interference.

They said they believe there may be more victims.

Anyone with more information is asked to contact police at 416-808-5200, or call Crime Stoppers anonymously at 416-222-8477 (TIPS).