Bulgaria expresses its condolences to the relatives of the victims of the terrorist act in Moscow. We categorically condemn terrorism in all its manifestations. We call for an investigation and clarification of the circumstances that led to the attack, the government's Facebook page reads.

Shock at what happened and condolences to the relatives of the dead were expressed by many countries. Among them are Poland, France, UK the USA, and the whole of EU. Bulgaria also condemned the attack. "Bulgaria has always condemned terrorist acts and we cannot be in this situation without a clear position," outgoing foreign minister Mariya Gabriel said.