Whether Russia has changed the targets of its massive strikes, why the Russian army attacks with dozens of drones every day, and whether Ukraine can influence Russia's ability to launch massive strikes - read in the RBC-Ukraine's article.

Ukraine said on Friday it had struck a Russian oil refinery and a microchip factory in a huge drone attack that caused fires at the refinery's production facilities and an oil pumping station. Russia said hours earlier that its forces had repelled an overnight drone attack,

Russian attacks against Ukraine killed at least six people and injured at least nine over the past day, regional authorities reported on Jan. 24.