A motorcyclist is dead and a mother picking her child up after school is critically injured following a collision in Brighton.

The Jefferson County Sheriff’s Office said the woman, whose identity has not been released, had just picked her child up from the school bus stop about 3:20 p.m. Tuesday.

Mother and child were crossing Main Street in Brighton when the mother was struck by a motorcyclist.

The motorcyclist was pronounced dead.

The woman was taken to UAB Hospital in critical condition. The child was not injured, said sheriff’s Lt. Joni Money.

The crash remains under investigation.