Montgomery County police say an officer was killed when his police cruiser struck a tree while he responded to an officer who needed backup. Police have yet to release the officer's name. He was a seven-year veteran of the department and worked the midnight shift. Police say the officer was en route to the scene of a fight early Sunday when his car ran off the road and hit a tree. He was taken to a local hospital, where he died. Detectives are investigating the crash.

- Associated Press