Police are reminding students to use the buddy system when walking on campus at night after a third woman reported being groped at the University of British Columbia.

The latest victim says she was in the lobby of a student residence building around 3 a.m. Thursday when an unknown man grabbed her.

She reported the groping to RCMP and UBC security, but they were unable to locate the suspect. He is described as Indo-Canadian between the ages of 25 and 30, around 5-7 or 5-8 tall, with a stocky figure and shoulder-length dark hair parted in the middle. He was wearing a light hooded sweater and blue jeans.

The victim was not physically harmed, but UBC Mounties say they are concerned because this is the third reported groping of the fall semester. RCMP Sgt. Rob Vermeulen said in a release that the university detachment has assembled an investigative team to look into the assaults.

"They are also working with the RCMP Behavioural Sciences group and a crime analyst to provide insights and follow up any investigative leads," Vermeulen said.

"We continue to urge those who are on the campus late at night to carry cell phones, walk with a friend, or use the Safewalk program on UBC campus."

In the early hours of Oct. 7, a woman walking along Biological Sciences Road reported being grabbed by a man dressed in dark clothes.

The suspect in that assault is described as Caucasian, 30-35 years old, 5-11 tall with dark hair and eyes. He was wearing dark blue jeans, a dark windbreaker and a dark baseball cap.

Last month, a female student was approached on University Boulevard by an Indo-Canadian man who then tried to grope her. She managed to escape without injury.