Toronto police say they are investigating after two girls were sexually assaulted in a Toronto park.

According to a release issued Wednesday, a 10-year-old and a 11-year-old girl were in the area of Sentinel Park in North York on Oct. 25.

Investigators allege that, while in the park, the girls were approached by a man on a bike and were sexually assaulted.

Police are describing the suspect as a Black man with a medium build and hazel eyes, standing 6-feet tall, and between the ages of 40 to 60 years old. He was last seen wearing a dark green sweater, black pants, carrying a grey and white backpack, and riding a black bicycle.

Police are asking anyone with information to contact them at  416-808-7474 or at www.222tips.com.