SANS is conducting an inspection at the refinery in Burgas, which is owned by the Russian oil giant "Lukoil" and at the offices of "Lukoil - Bulgaria".
According to information from BNT, the operation began at the end of the working week. The oil refinery's press center did not comment on the operation. A statement from the government press service stated that the Ministry of Interior and the Ministry of Defense have taken additional measures to ensure security, including by water and air.