PATNA, Jan. 29 -- Five district courts went into a tizzy following bomb threats received via anonymous emails on Wednesday, prompting police to evacuate the premises and conduct thorough searches. A senior police official said no suspicious object, bomb, explosive or any dangerous material was found during the search of the court premises in Bhagalpur, Siwan, Muzaffarpur, Samastipur and Begusarai. An investigation was underway to trace the source of the emails, the police official added. Earlier, on January 8, similar bomb threat emails were received by the district courts of Patna, Kishanganj, Gaya and other districts. After searches, those threats were found to be hoaxes. Principal district and sessions judge of Begusarai, Rishikant, confirmed that the threat was sent via the court's official email. All judicial officers, staff, and advocates were advised to remain in safe locations until further notice. The court premises were evacuated as a precautionary measure, said Bhagalpur SSP Pramod Kumar. Similar threat emails were also received by the Muzaffarpur and Siwan district courts, triggering immediate security responses and intensive search operations at both locations, officials said....