Longueuil police are investigating what they’re calling a suspicious death.

Around 11:30 p.m. Saturday police received a call and headed out to an apartment building on Jacques Cartier Blvd. W.

When they arrived, they found a man in his fifties. He was declared dead at the scene.

Police were unable to determine the cause and circumstances surrounding the death, and are refraining from referring to the incident as a homicide for the tie being.

Police say they have no suspects at this time.