Former Russian President Medvedev calls for preemptive strikes while Trump gives Putin a 50-day ultimatum to reach peace with Ukraine or face sanctions.

An U.S. official says some weapons shipments to Ukraine have resumed, as the country's leader seeks more urgent support from his partners.

Officials say Russian weapons pounded Ukrainian cities overnight from Tuesday to Wednesday, injuring at least 15 people in an attack that mostly targeted energy infrastructure

Drones that kill other drones. These machines swarm the skies in vast numbers. They're cheap, they're deadly and they're among the main reasons Ukraine believes it can hold out against advancing Russian forces this year and even beyond,

Experts fear Russia could emply battlefield nuclear weapons in Ukraine after being given 50 days to stop the fighting by the US

Russia attacked cities across Ukraine with hundreds of drones and a missile strike, hitting energy infrastructure and wounding at least 15 people.

Russian military forces have launched a massive offensive toward Ukraine, mere days after President Donald Trump threatened to enact a 100% secondary tariff