A 59-year-old man told police he was trying to break up a fight between his grandson and another man early Saturday morning when the other man stabbed him with a screwdriver. 

Frederick Watson, 23, was arrested and booked on a count of aggravated battery in the incident, which occurred in the 3100 block of Louisiana Avenue. 

The incident occurred about 1:19 a.m. Saturday morning. The stabbing victim was taken to an area hospital where he was listed in stable condition. Watson was arrested shortly after, NOPD said.