Emergency personnel were on the scene after a vehicle went off the road and struck a tree in Glen Arm on Tuesday afternoon.
At just after 5 p.m., crews responded to the 11000 block of Harford Road for a report of a crash.
At the scene, responders found that one of the two vehicles involved in the accident had gone off the roadway, struck a tree, and overturned.
Injuries have been reported and a Maryland State Police Medevac helicopter has been requested for fly-out.
Motorists should use caution in the area.