Greater Sudbury Police Service responded to a snow machine collision late Saturday that sent two people to hospital.
Police and emergency services were called around 10 p.m. Saturday to respond to the collision on a Sudbury Trail Plan trail north of Kukagami Lake Road.
"Operator and passenger were ejected from snowmobile and sustained life-threatening injuries and taken to HSN," police said in a tweet Monday.
Police are investigating the crash and ask anyone with information to contact them.