The constraints follow a Ukrainian drone strike on the Kapotnya oil refinery, which processes 11 million tonnes of crude oil per year and supplies 40% of the city's fuel. Confirmed hits on the AVT-6 primary processing unit and the isomerization unit sparked fires that continued into the morning of Sept. 20. The barrage also targeted the TPP-22 power plant and a logistics park in Sofyino, resulting in two civilian deaths in the Moscow region.
