A 27-year-old man is found seriously injured near Trudeau airport

A 27-year-old man was found unconscious near Montréal–Trudeau International Airport on Saturday morning, Montreal police said, and was taken to hospital in critical condition.
First responders called police at around 6:50 a.m. to Montréal–Toronto Blvd., near the Dorval Circle, said Johany Charland, a spokesperson for the Montreal police.
Officers discovered a man lying on the ground with injuries to his upper body, Charland said, adding the circumstances surrounding the incident remain unclear.
He remains in serious condition in hospital.
Investigators have not made any arrests.
A perimeter was established around the scene as officers gathered evidence.
The investigation is continuing, police said.