Schools in the Serbian capital and the southern city of Nis received fresh bomb threats on Wednesday, forcing the evacuation of students and staff.
Media reports said that three hospitals and at least four vocational high schools in Belgrade and one in Nis received bomb threats. The reports said that the bomb threats were made to the Military Medical Academy, the KBC Dragisa Misovic and the City Hospitals.
Belgrade daily Blic said that a medical, two electronics and computer science and a telecommunications school in Belgrade were evacuated forcing the schools to cancel classes.
The Serbian state TV (RTS) said that a high school in Nis received a bomb threat by phone at 9.30 am, adding that a bomb squad searched the school for two hours and found nothing.
The latest bomb threats follow a mass incident on Monday when more than 170 schools across Belgrade received bomb threats. Police bomb squads were still searching some schools on Wednesday morning, forcing them to organize online classes.