San Antonio Police have charged a man with opening fire on his girlfriend and her two young children during a domestic argument on the southeast side, Newsradio 1200 WOAI reports.

  Police Sergeant Javier Salazar says Joe Ramos Mercado shot at the girlfriend as she was leaving a home in the 200 block of Anton, which is on the southeast side off Goliad Road.

  A six year old boy is in critical condition, and an eleven year old girl is in stable condition with gunshot wounds to the head and upper body.

  The girlfriend was not hurt, police say she ran to a neighbor's home to call for him.

  Mercado sped off in a dark tan Kia.  Police say he is armed and dangerous.