A Russian artillery attack on Ukraine's northeastern city of Sumy on Tuesday killed three people and injured 25, including children, the city council and the health ministry said.

A serviceman from the mobile air defence unit of the 115th Separate Mechanized Brigade of the Ukrainian Armed Forces fires a Browning machine gun towards a Russian drone during an overnight shift, amid Russia's attack on Ukraine,

So, Russia and Ukraine are still as far apart as ever, with the two warring countries unable to make a significant breakthrough in direct talks in Istanbul.

The second recent round of direct discussions, in Istanbul, resulted in an agreement to trade more prisoners, but produced few steps toward ending the fighting.

Poland and the U.S. are close allies, and there are 10,000 U.S. troops stationed in Poland, but Tusk and his partners in the past have been critical of Trump. Nawrocki, however, has a worldview closely aligned with Trump and his Make America Great Again ethos.

The victory of nationalist Karol Nawrocki in Poland's presidential election looks set to strain relations with Ukraine and embolden Donald Trump-inspired conservatives in central Europe, analysts and diplomats said on Monday.