(CNN) A week after a 91-year-old Mexican man says he was beaten with a concrete block in Southern California, a woman has been arrested in connection with the assault, authorities said.

Laquisha Jones, 30, was arrested Tuesday night in Los Angeles on suspicion of beating Rodolfo Rodriguez last week, the Los Angeles County Sheriff's Department said.

She was being held on a charge of assault with a deadly weapon, with bail set at $200,000.

'I just passed her .... and she hit me'

Rodriguez, who is recovering at his relatives' Willowbrook home south of Los Angeles, said he was walking to a park on July 4 when he passed a woman and a girl.

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