(Reuters) - About 1,000 civilians remained trapped at a steel plant where Ukrainian forces are making their last stand in the besieged city of Mariupol, President Volodymyr Zelenskiy said, after a Russian ultimatum to surrender or die expired on Wednesday.
More than five million people have now fled Ukraine, the United Nations refugee agency said.
* Top finance officials from Britain, the United States and Canada walked out of Wednesday's meeting of finance officials from the world's top 20 economies as Russian representatives spoke.
* President Joe Biden will host U.S. military leaders in an annual gathering that takes on extra significance as the war enters a risky new phase.
* World Bank President David Malpass said the food security crisis resulting from the Ukraine conflict was expected to last months and perhaps into next year.
* Ukraine called on the Red Cross to establish contact with what it said were 500,000 people deported from Ukraine to Russia.
* President Vladimir Putin called for structural changes in Russia's metallurgical industry to counter Western sanctions he said were starving it of some components and restricting its ability to sell some goods abroad.
* Wimbledon became the first tennis tournament to bar individual competitors from Russia and Belarus from this year's championships, drawing mixed reactions from sports bodies and athletes.
* Russia's military buildup on Ukraine's eastern border continues and fighting in the southeastern Donbas region is intensifying, a British military update said.
* Russian-backed separatists said five soldiers from the Azovstal steel plant had surrendered after a Russian ultimatum on Wednesday, a day after Russia said no-one had responded to a similar call.
* President Volodymyr Zelenskiy said an estimated 1,000 civilians were sheltering at the Azovstal steel plant in Mariupol and he was ready to swap Russian prisoners in exchange for safe passage for the trapped civilians and Ukrainian soldiers.
* Ukraine's deputy prime minister said an agreed humanitarian corridor to evacuate civilians from Azovstal had not worked as planned, blaming Russian forces for not holding their ceasefire.
* Russia said it had test-launched its Sarmat intercontinental ballistic missile, a new addition to its nuclear arsenal.
* "This truly unique weapon will strengthen the combat potential of our armed forces, reliably ensure Russia's security from external threats and provide food for thought for those who, in the heat of frenzied aggressive rhetoric, try to threaten our country," President Putin said about Sarmat missile after its first test launch.
(Compiled by Philippa Fletcher and Tomasz Janowski)