Police are looking into the death of an 11-year-old boy in Chelsea, Que. 

MRC des Collines police and paramedics were called to a home on Heritage Street around 8:50 p.m. Friday, where they found the boy unconscious at the bottom of a pool. He was later pronounced dead in hospital.

The preliminary investigation shows the drowning, which happened at a friend's house, appears to be accidental, according to police. 

The investigation is ongoing.