The public prosecutor's office is conducting a probe that immediately began last night.

检察官办公室正在进行昨晚迅速开启的一项调查。

The FBI is investigating possible civil rights violations, and local and state police are conducting their own probe.

FBI正在调查可能的侵犯公民权利相关案件, 而地方和州警察也开展自己的调查。