The Dallas PD is investigating a departmental crash near S. Westmoreland Rd and W. Kiest Blvd. An emergency assist officer call was dispatched around 2:15pm for an officer involved in a crash at the given location. Reports of the officer’s vehicle crashing off a bridge. A fellow officer arrived very quickly to find the officer’s vehicle had crashed off the roadway into a creek bed area, and requested Dallas Fire-Rescue on a rush. The officer was rescued and transported to the hospital with reported serious injuries.