A 79-year-old man was left with life-threatening injuries after being struck by a vehicle in East York early Thursday morning.

Toronto police say the collision occurred around 1 a.m. near Coxwell Avenue and O’Connor Drive. The pedestrian was treated by paramedics and transported to hospital, where his injuries were confirmed to be life-threatening.

Police say the driver remained at the scene and is cooperating with investigators. It remains unclear whether charges will be laid. O’Connor Drive was temporarily closed in both directions between Coxwell Avenue and Hutton Avenue while police investigated.