site.btaPolice Probes Multiple Bomb Hoaxes in Sofia's Schools, More Are Reported Across Bulgaria

Multiple bomb threats have been received for Sofia schools, the Sofia police told BTA Wednesday. The buildings are being searched for explosives.

Bomb threats were also received by email by schools in Varna, Vratsa, Dobrich, Pernik, Plovdiv and Stara Zagora.

The Education Ministry said that "arrangements have been made to continue classes throughout the day". 

When a school receives a bomb threat, classes are suspended while the building is searched and the school day is extended.