An announcement by the Ukrainian president that he will seek to replace the prime minister with a loyalist came as the ...

When Ukraine turned a corner of Russia’s Kursk region into a battlefield, it set in motion some of the war’s fiercest fighting. Our photographer documented the aftermath.

Ground reports analysed by the American non-profit Institute for the Study of War (ISW) and other publications also indicate ...

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 ...