Ukraine says it has hit one of Russias largest oil refineries in a drone strike | National & World [Video]

(CNN) — Ukraine claimed Saturday to have struck one of Russia’s largest oil refineries in a drone attack, starting a fire at the facility more than 700 miles into Russian territory.

The attack on the Taneco refinery in the city of Nizhnekamsk, Tatarstan – one of the largest and most modern refineries in Russia – was the second time the facility had been struck by Ukrainian forces within the space of a year, according to Lieutenant Andrii Kovalenko, the head of Ukraine’s Center for Countering Disinformation.

Social media images geolocated by CNN appear to show massive flames and smoke in the dark skies as workers trudge through the snow evacuating from the fiery building.

Despite the footage, the press service of the Republic of Tatarstan denied there had been a fire at the plant, insisting instead that it had been carrying out a mock evacuation as a safety exercise and that the images of …