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LONG BEACH, Calif. (KTLA) — A San Pedro woman has been charged with beating up a 12-year-old girl who was a rival of her daughter in an alley fight that first aired exclusively on KTLA.

Amber Lee Gutierrez, 33, was arrested Tuesday for her alleged involvement in a prearranged fight in a West Gaffey Street alley after school on January 14.

attackGutierrez was charged on Tuesday with assault by means likely to produce great bodily injury. She is being held on $100,000 bond.

If convicted as charged, Gutierrez faces a possible maximum state prison term of seven years.

According to police, the 12-year-old and Gutierrez’s daughter had agreed to fight in the alley, but mothers and adults showed up as well and got involved.

The girl suffered a broken arm. Her mother, who spoke anonymously to KTLA, said she’s disappointed Gutierrez hasn’t been charged with a hate crime.

Racial slurs are heard repeatedly on the video, which was recorded on a cellphone by an onlooker.

Prosecutors have not decided whether to charge Gutierrez’s sister, who is also seen in the video throwing punches.