22-year-old Jianxing Cai is charged with lewdness, exposure of a person and act in a manner injurious to a child under 17.
The incident happened May 17 at about 6:15 p.m. at the intersection of Vista Place and 68th Street in Bay Ridge.
Police say the two boys, ages 11 and 8, were walking when the suspect approached them and exposed his genitals.
The man fled on foot eastbound on 68th Street. The boys were not hurt.
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