Peel Regional police say a man has drowned at his apartment building pool in Mississauga, Ont., while teaching himself to swim.

A police spokesperson told Global News officers were called to Queen Frederica Drive with reports of a drowning around 4 p.m.

The spokesperson said paramedics transported a 29-year-old man to hospital, where he was pronounced dead.

The victim’s little brother went to the building’s pool to check on him around 3 p.m. and found him without vital signs.

Officers said it appears from surveillance video in the facility that the 29-year-old slipped in the deep end and failed to resurface.