By Guy Faulconbridge and Max Hunder MOSCOW/KYIV (Reuters) -On the eve of peace talks, Ukraine and Russia sharply ramped up the war with one of the biggest drone battles of their conflict, a Russian highway bridge blown up over a passenger train and an ambitious attack on nuclear-capable bombers deep in Siberia.

Ukrainian President Volodymyr Zelenskyy said he was sending a Ukrainian delegation to Istanbul for another face-to-face with Russian representatives.

Ukrainian President Volodymyr Zelensky on Sunday touted the “absolutely brilliant result” of a large-scale drone attack on Russian strategic bombers. “Head of the Security Service of Ukraine Vasyl

Hundreds of towns are under evacuation orders in Ukraine’s northeastern Sumy region where Russian forces are focussing their attacks, as Kyiv officials warn it could be preparing a new offensive.Mandatory evacuation orders were issued for 11 settlements on Saturday,

Ukraine says Russia launched its biggest drone strike to date after Trump called Putin crazy for stepping up his offensive and "needlessly killing a lot of people."

A bipartisan duo met with the Ukrainian president and made the case for Congress to impose harsh economic penalties on Moscow for its continuing offensive.

Drones now kill more soldiers and destroy more armored vehicles in Ukraine than all traditional weapons of war combined,” Ukrainian officials and commanders said in an interview with The New York Times.

Russian losses in Putin's war on Ukraine are staggering - but the Kremlin is preparing a fresh offensive even whilst talks are ongoing to achieve a peace settlement