The two drivers and one passenger all died after a collision between a car and a pickup truck in Howick, Ont., north of Listowel, according to Huron County OPP.
Authorities said they got a 911 call shortly before 5:30 p.m. Thursday about a collision on Harriston Road just north of C Line Road in Howick.
When medical staff arrived, they discovered two people had already passed away. A third person was taken to the hospital, where they succumbed to their injuries.
Officials say all three were residents of Huron County but did not give any other details about the deceased.
Authorities are still investigating the cause of the collision and said the investigation is ongoing.
