One critical after multi-car crash on St. Route 25.

Part of Route 25 in Brookfield is closed after a multi-car crash and a person was seriously injured.

The crash happened in the area of 238 Whisconier Road, according to police.

One person was struck by a car and has been critically injured, according to police.

It is not clear if the person hit was in one of the cars involved in the crash or if that person stopped to help.

The accident reconstruction team is at the scene.