Kyiv’s long-range strikes on oil refineries in the heart of Russia prompted Moscow to increasingly rely on North Korean military support, including the latest delivery of ballistic missiles, Ukrainian President Volodymyr Zelensky said Monday.

Citing talks with military brass and security officials, Zelensky praised the success of Ukraine’s “deep strikes” on Russian facilities, including the latest attack on a large refinery in Siberia’s Tobolsk, at a distance of more than 2,500 km.

“This is the first time in Russia’s history that they no longer have a secure strategic rear. For the first time, they cannot wage war without reinforcements from