A man chased a woman down, barricaded her vehicle and took a gun from his trunk after she hit his car Saturday night, according to New Orleans police.

Police said 39-year-old Philip Spencer pulled the gun on the 27-year-old woman in the 2300 block of South Roman Street just after 9 p.m. He demanded her cellphone and then called police about the incident.

Police categorized the crime as an armed robbery.