This is the composite drawing released by Saskatoon police of a suspect in a sexual assault that took place in March. ((Saskatoon Police))

Police have released a drawing of a suspect in the sexual assault of a young woman in Saskatoon.

The woman,19, reported being grabbed from behind by a man while walking in the 400 block of Witney Avenue North on March 18 at about 2 p.m., police said.

Police described the attacker as Caucasian, between 50 and 60 years of age and about five feet 10 inches tall with a medium build.

The man, who was also reported to have greying hair and "bags" under his eyes, was wearing a white-hooded coat with a blue horizontal stripe across the chest.

Anyone with information is asked to contact the Saskatoon Police Service at 306-975-8300 or Crime Stoppers at 1-800-222-8477.