MCKEES ROCKS, Pa. -- Police said they arrested a man wanted on two separate warrants Tuesday evening.

Devon Johnson, 20, of McKees Rocks, faces several charges including aggravated assault and robbery.

Police said Johnson robbed a man at gunpoint in Stowe Township earlier this year.

In a separate incident, Johnson allegedly pulled a gun on one of his own family members during an argument over a job, police said.

Johnson was arrested without incident, according to authorities. He is being held in Allegheny County jail.