US President Joe Biden spoke with top Ukrainian government officials in Warsaw on Saturday during his visit to Poland to show support for the NATO alliance's eastern flank in the face of the Russian invasion of Ukraine.

Ukrainian President Volodymyr Zelenskiy called on energy producing countries on Saturday to increase output so that Russia cannot use its oil and gas wealth to "blackmail" other nations.

The war in Ukraine has killed 136 children in the 31 days since the start of the Russian invasion, Ukraine's office of the prosecutor general said on Saturday in a message on the Telegram app.

US President Joe Biden will argue in a speech in Poland on Saturday that the "free world" opposes Russia's invasion of Ukraine and that there is unity among major economies on the need to stop Vladimir Putin, the White House said.

The United States will work to supply 15 billion cubic metres of liquefied natural gas (LNG) to the European Union this year to help it wean off Russian energy supplies, the transatlantic partners said yesterday.

Russian precision-guided missiles are failing up to 60 percent of the time in Ukraine, three US officials with knowledge of intelligence on the issue told Reuters, a possible explanation for the poor progress of Russia’s invasion.

Ukrainian troops are recapturing towns east of Kyiv and Russian forces who had been trying to seize the capital are falling back on overextended supply lines, Britain said on Friday, one of the strongest indications yet of a shift in momentum in the war.

Ukrainian authorities said Friday that about 300 people died when a Russian airstrike blew up a theater where hundreds of civilians were sheltering — a catastrophic loss of civilian life that, if confirmed, is likely to further crank up pressure on Western nations to step up military aid.

Russians have rushed to stock up on anti-depressants, sleeping pills and contraceptives among other products since the conflict in Ukraine began, data released on Thursday showed, with people buying a month's worth of medicine in just two weeks.

President Volodymyr Zelenskiy said on Friday that Ukrainians "need to achieve peace" and halt Russian bombardment that has forced millions to flee to countries like Poland, where US President Joe Biden is due to witness the crisis first hand.

Bangladesh is one of the 140 countries that voted for a UN General Assembly resolution demanding aid access and civilian protection in Ukraine on Thursday, and criticized Russia for creating a "dire" humanitarian situation after Moscow invaded its neighbor one month ago.

US President Joe Biden said he thinks Russia should be removed from the Group of Twenty (G20) major economies and the topic was raised during his meetings with world leaders in Brussels earlier on Thursday.

U.S. President Joe Biden said on Thursday that if Russia were to use chemical weapons in its invasion of Ukraine, the United States would respond.

The UN General Assembly yesterday adopted by an overwhelming majority a new non-binding resolution that demands an “immediate” halt to Russia’s war in Ukraine. 

Russia felt insecure, or should we say President Putin, and so Ukraine had to be invaded, population from major parts of the country had to leave their homes, millions had to become refugees, thousands had to die -- including Russian soldiers, many foreigners and  a Bangladeshi sailor -- a nation needed to be terrorised and the world thrown into turmoil.

Western leaders showcased their unity against Russia’s war in Ukraine yesterday, with Washington seeking more military aid for Kyiv, Nato assigning more troops to its eastern flank and US, Britain imposing fresh sanctions against Moscow.

More than half of all children in Ukraine have been displaced from their homes since Russia launched its full-scale invasion on February 24, the United Nations said yesterday.

Ukrainian President Volodymyr Zelensky said Thursday there is a "real" threat that Moscow will use chemical weapons in Ukraine, accusing Russia of having already used phosphorus bombs against civilians in the country.

The United States plans to accept up to 100,000 Ukrainians fleeing Russia's invasion, the Biden administration announced on Thursday, after a month of bombardments touched off Europe's fastest-moving refugee crisis since the end of World War Two.

Western leaders meeting in Brussels on Thursday will agree to strengthen their forces in Eastern Europe and increase military aid to Ukraine as the Russian assault on its neighbour entered its second month.