Authorities are warning a dangerous prison escapee remained at large as of Tuesday evening.

Robert Darryl WarClub, 48, is described as 6 feet tall, and weighing 278 pounds. He was one of two prisoners who had escaped from the Roosevelt County Sheriff’s Office Detention Facility.

WarClub is Native American. He has black hair, brown eyes, and a medium brown skin color. WarClub was last seen wearing grey shorts and a black tank top.

He has a tattoo with the name, “Patty” on his left arm.

War Club was being held on drug charges. At about 10 p.m. (MT) - two prisoners escaped from the Roosevelt County Sheriff’s Office Detention Facility. They fled on foot. Roosevelt County Sheriff Freedom Crawford said it was unknown if they had a vehicle waiting or obtained one at a later time.

The second escapee Jesse Johnson, 20, has been located and was taken back in custody noon (MT) Tuesday.

WarClub remains at large.

Any persons who have information about WarClub’s location, are asked to contact the Roosevelt County Sheriff’s Office at 406-653-6240, 653-6216 or 653-6230.

A reward is being offered for information leading to WarClub’s successful arrest.

Crawford warns the public not to approach this individual as he is dangerous. Contact authorities immediately if you come in contact with him; use extreme caution.