A 61-year-old man was arrested and charged with assault Monday after he allegedly stabbed a Mobile fire captain. Ronald Hurd, 61, was charged with second-degree assault, two counts of menacing and second-degree possession of marijuana in connection with the stabbing of the fire captain at the station at 57 South Lafayette St. Hurd allegedly pulled out a knife at the station around 0320 hours Monday and threatened another firefighter. When the captain went to intervene, he was cut on the hand. Hurd then allegedly threatened another firefighter with the knife before fleeing.