A number of Ukrainian media, including Ukrainska Pravda, Babel, and RBC-Ukraine, reported the information, citing sources.The explosion occurred on the night of December 1. The attack on the oil pipeline was carried out near the settlement of Kazinskiye Vyselki, on the Taganrog-Lipetsk oil pipeline section.According to sources, explosives with remote detonation and additional flammable mixtures were used for the explosion to achieve greater combustion.Local residents wrote on social networks that they heard a rumble accompanied by bright flashes. More about the attacks on DruzhbaThe Ukrainian military has repeatedly attacked the infrastructure of the Druzhba oil pipeline in Russia. As a result of such attacks, the supply of Russian oil to Hungary and Slovakia was suspended.In particular, on the night of August 18, Ukrainian drones attacked the Nikolskoye oil pumping station in the Tambov region of the Russian Federation, and a fire broke out at the facility. The pumping of oil through the Druzhba main oil pipeline was completely stopped. On August 22, it was reported that the Birds of Magyar unit attacked key facilities of the Russian Druzhba oil pipeline for the third time with drones.Against this background, Hungarian Foreign Minister Péter Szijjártó threatened that if the attacks continued, Hungary would stop exporting electricity to Ukraine.At the end of August, Hungary banned the commander of the Unmanned Systems Forces, Robert Brovdi, call sign Madyar, from entering the country.It later became known that Hungary and Slovakia again began to receive Russian oil through the Druzhba pipeline after a break caused by the Ukrainian attack.