In the north a 50,000-strong Russian force is attacking Sumy, a provincial capital. Our model is detecting artillery fire and explosions along the city’s northern defensive lines. Ukraine is badly ...

Aerial video footage shows smoke rise from the Ukrainian border city of Vovchansk, Kharkiv Oblast on May 17, 2024, in northeastern Ukraine. A map shows Russia's current positions. Getty Images ...

Ukraine's top commander warns of heavy fighting ahead Russia has opened new front in northeastern Kharkiv region President Vladimir Putin says Russia creating buffer zone Moscow forces' heaviest ...