A two-vehicle head-on collision in the town of Caledon has left two people dead, the OPP said Monday.

The collision occurred about 4:30 p.m. on Highway 10 north of King Street, police said.

The OPP has a crash reconstruction team working at the scene.

Highway 10 between King Street and Boston Mills Road is closed for the investigation, and is expected to remain closed for most of the evening.