BRUSSELS, November 5. /TASS/. Thirteen passenger planes of European airlines made emergency landings during Thursday following reports of a bomb threat on board.

According to information collected by TASS, three civilian aircraft landed in Bulgaria: two in Sofia and one in Plovdiv. Two more flights landed in Vienna (Austria), and one each in Brussels (Belgium), at the French military base Evreux-Fauville, in Rome (Italy), and in Bucharest (Romania).

Furthermore, the Czech police received reports of a possible explosive device on board four aircraft bound for Prague. After they landed at their destination airport and were inspected, no explosive devices were found. Authorities in Romania and Belgium also informed that threats did not materialize.