One person suffered a critical injury in a collision Saturday night in Montgomery County on a Capital Beltway ramp, authorities said. (Montgomery County fire and rescue photo)

A motorist was killed in Montgomery County Saturday night in a crash on a ramp leading from the Capital Beltway, the Maryland state police said.

The collision occurred about 8:40 p.m. on a ramp from the Inner Loop of the Beltway to the southbound lanes of Rockville Pike, said Pete Piringer, the spokesman for the county fire and rescue service.

One of the drivers was trapped and required extrication from the wreckage after the collision, Piringer said. State police Sgt. Todd Newill later reported that he had died. The man was not identified immediately.