KYIV — The front lines in the Ukraine war had shifted on Sunday as Russia made some advances in the fiercely contested eastern Donbas region and the Ukrainian military waged a counteroffensive near the strategic Russian-held city of Izium. ….snip Keeping up pressure on Izium and Russian supply lines will make it harder for Moscow to encircle battle-hardened Ukrainian troops on the eastern front in the Donbas. Izium straddles the Donets river, about 120 km (75 miles) from Kharkiv on the main highway heading southeast. “The hottest spot remains the Izium direction,” regional governor Oleh Sinegubov said in comments aired...