Ontario police are looking for a former Queen's University student who went missing this week.

OPP said 21-year-old Matthew Simms was last seen on Wednesday leaving his home in Ameliasburgh, near Belleville, wearing only a towel.

He was seen on Queen's campus last week, where he was enrolled last year.

He is described as six feet seven inches tall with a thin build, shaggy brown hair, brown eyes and an "unkempt" appearance.