Sheikh Naim was beaten to death in Rajnagar of Seraikela-Kharsawa district

Twenty people have been arrested in connection with last week's lynching of seven men in two separate incidents in Jharkhand. State Home Secretary S K G Rahate said a probe has been ordered into the incidents of vigilantism in Rajnagar in Seraikela-Kharswan district and Nagadih, Bagbera in Jamshedpur, that claimed four and three lives respectively.