Hwy. 401 westbound at Hwy. 402 in London was closed for several hours Sunday night due to a collision.
OPP were assisting in locating a suspect vehicle when it was observed travelling west on the 401 and subsequently involved in a crash just before 8pm.
Two people in that vehicle were taken to hospital with non-life threatening injuries.
The investigation is on-going.
The westbound highway was closed for about five hours.