Update:

Surrey RCMP released further information today (January 8) about this incident. 

Around 9:20 p.m. on January 7, police responded to a report about a two-vehicle collision at the intersection of 168^th Street and Highway 10.

One of the vehicles went off-road into a water-filled ditch and became submerged.

Two officers in the area, who had witnessed the collision, went into the water to pull the driver out and provided first aid.

The drivers of both vehicles were taken to hospital.

The 27-year-old driver of the submerged vehicle remains in critical condition.

The 21-year-old driver of the other vehicle has since been released from hospital. This driver had been arrested at the time of the incident but has since been released pending further investigation.

An investigation into the cause of the collision is ongoing and anyone who witnessed it or has dashcam footage is asked to contact Surrey RCMP or Crime Stoppers.

Original article:

Police officers leapt into action when they happened to come across a vehicle sinking underwater in Surrey yesterday.

According to Surrey RCMP, on January 7, two road-safety officers were travelling along Highway 10 when they discovered that a vehicle had gone off the road near the intersection of 56^th Avenue (Highway 10) and 168^th Street and plummeted into a large water-filled ditch.

The vehicle soon became completely submerged under the surface of the water.

The two officers leapt into the water and pulled the vehicle occupant out of the car.

They performed CPR until an ambulance arrived and took the individual to the hospital.

Investigators are trying to determine what caused the accident.

Anyone with information about this accident is asked to contact Surrey RCMP at 604-599-0502 or Crime Stoppers, to remain anonymous, at 1-800-222-8477.