An Atlantic City woman was arrested Wednesday after she allegedly beat a woman with a broom who later died, according to court documents.According to the Press of Atlantic CIty Ceani Barnes, 22, was charged with aggravated manslaughter in the death of 34-year-old Christina Burdette, the Atlantic County Prosecutor’s Office said. Barnes was scheduled to have a first court appearance Thursday afternoon but was in a “mental health hold” and could not be produced, jail officials said.