Ukraine's President Volodymyr Zelenskiy told UK Prime Minister Boris Johnson by telephone on Sunday that the next 24 hours are crucial for Ukraine, a Downing Street spokesperson said.
Johnson said the UK and its allies would do everything possible to guarantee that defensive aid reached Ukraine, the spokesperson said in a statement.
Ukraine is facing attacks from Russian forces who invaded the country on Thursday. As missiles fell on Ukrainian cities, nearly 400,000 civilians, mainly women and children, have fled into neighbouring countries.-Reuters
