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 outnumbered but officials say the front is holding.

Russian authorities have confiscated assets worth some $50 billion over the past three years, underscoring the scale of the transformation into a "fortress Russia" economic model during the war in Ukraine,

U.S. Secretary of State Marco Rubio said the U.S. and Russia have exchanged new ideas for Ukraine peace talks after he met with his Russian counterpart in Malaysia on Thursday.

One of Russia’s most powerful men, Foreign Minister Sergey Lavrov, is set to visit North Korea this weekend, in a sign of deepening relations between Moscow and Pyongyang as North Korea gets pulled deeper into Russia’s war in Ukraine.

Italy said on Thursday that firms that have helped Russia fund its war on Ukraine by doing business with the country should be excluded from profiting from Ukraine's reconstruction. Italian Prime Minister Giorgia Meloni said earlier that participants at a Rome conference on the economic recovery of Ukraine had pledged more than 10 billion euros ($11.

The co-sponsors of new bipartisan U.S. sanctions package targeting Russia have briefed European allies and Ukraine on the legislation.

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.

President Donald Trump said he plans to make a "major statement" on Russia on Monday amid Vladimir Putin's continued attacks on Ukraine.