Bulgarian authorities say all preventive measures were taken, that the secret services were working in close co-operation with their Western colleagues and that no terrorist or banned Islamic organisations acted on Bulgarian territory.
Bugarske vlasti kažu kako su bile poduzete sve preventivne mjere, da su tajne službe blisko surađivale sa zapadnim kolegama, te da na bugarskom teritoriju nisu djelovali teroristi ili zabranjene islamske organizacije.