Russia now controls more than two-thirds of Ukraine’s Donetsk region — the main theater of the ground war. Russian forces have carved out a 10-mile-deep pocket around the Ukrainian troops defending the crucial city of Kostiantynivka, partly surrounding them from the east, south and west.

Ukraine has proposed a new round of peace talks with Russia, President Volodymyr Zelensky has said, in a move aimed at restarting negotiations that halted last month. Senior security official Rustem Umerov has offered to meet the Russian side next week,