Mario Chingo,alleged MS-13 gang member is charged with stabbing a rival 18th Street gang member

alleged MS-13 gang member is charged with stabbing a rival 18th Street gang member during an early-morning fight Sunday in the South End.Mario Chingo, 23, of 92 Nelson St., was arraigned Monday in New Bedford District Court on assault and robbery charges.Chingo, a reputed MS-13 gang member, is accused of trying to rob Carlos P. Benito, 32, outside the Escondinho Bar at 110 County St. just after 1 p.m. Sunday. Benito told police that Chingo stabbed him in the chest and leg after trying to rob him, court records said.New Bedford police were interviewing Benito at St. Luke's Hospital when Chingo arrived in the emergency room with a cut on his left hand, court records said.Chingo told police that Benito was an 18th Street gang member and that Benito attacked him first. Chingo said Benito slashed him in the face with a knife after approaching him outside the bar. Chingo had a superficial laceration on his face, court records said.Based on Chingo's statements, New Bedford police obtained an application for criminal complaint seeking assault charges on Benito, court records said.Chingo is charged with assault and battery with a dangerous weapon and armed assault to rob. Judge Bernadette Sabra released him Monday on personal recognizance