LONDON, ONT. -- Sarnia police shut down a large portion of Indian Road early Thursday morning following a collision.

According to police, an officer came across a vehicle driving erratically shorly after 5 a.m. and when the officer attempted to stop the vehicle, it fled from police.

Shortly afterward the suspect vehicle struck another vehicle at Indian Road and Talfourd Road.

A male and female in the suspect vehicle and a male in the other vehicle were taken to hospital for assessment.

The collision has forced the closure of Indian Road between Wellington Street and Devine Street.

Police were asking that the public avoid the area.

Ontario's Special Investigations Unit was notified and has taken over the investigation.