Update 3:

Police say the road was reopened at 2:30 am on Friday morning. 

Update 2:

As of 5 pm Thursday, December 6th, the road remains closed and a reopening time is still unknown.

"The spill is contained at this time, but as a result of the spill, the attending officer, the first officer at the scene was taken to hospital because of the breathing in of the materials." said OPP sergeant Carlo Berardi.

Update:

The Thursday morning crash on Highway 69, between two commercial vehicles, resulted in a chemical spill on the Key River Bridge.

A responding police officer was exposed to a potentially hazardous chemical and was transported to hospital.

Another officer was conducting traffic control on Highway 400 near Parry Sound due to the crash at Key River.  While in her cruiser with all emergency lights activated, she was hit by a northbound vehicle, receiving serious injuries.  She was also transported to hospital.

The driver that hit the cruiser was not injured.

Police say the highway will remain closed during the investigation of the original collision.

The commercial truck drivers were not injured.

Detours for northbound traffic on Highway 69 take Highway 124 to Highway 11 and for southbound traffic on Highway 69 take Highway 522 to Highway 11.

Original:

A note for drivers, Ontario Provincial Police closed highway 69 south of Sudbury, near the Key River Bridge, on Thursday morning due to a collision with two tractor trailers that blocked the bridge.

Because the two vehicles blocked the bridge, southbound lanes were closed by police at Highway 522.

The road was closed around 7 am, and at the time of this article, the reopening time is still unknown.

A little further south, OPP say an officer was injured while directing traffic on Highway 400 at the Highway 124 ramp.

This closed the northbound lands on the Highway 400/69 combination at Parry Sound Drive.

OPP cruiser hit on Highway 400 near Parry Sound