Russia said on Wednesday it had broken through two of Ukraine's fortified defence lines in the east and Kyiv spoke of relentless Russian attacks making it "difficult for us", as Western allies announced more military aid for Kyiv including artillery rounds.
Bolstered by tens of thousands of reservists drafted in December after months of humiliating battlefield reverses, Russia has intensified attacks across southern and eastern Ukraine in recent weeks, and a major new offensive is widely anticipated as the first anniversary of its invasion nears.
