More than 60 people are believed to have been killed after a russian bomb hit a school in eastern ukraine. voting gets underway in the philippines as the country chooses its next president. the leaders of the industrialised western nations have vowed to step up their support for ukraine in its fight against russia s invasion. in a statement, the g7 pledged to phase out russian oil imports and impose further economic costs on the country. they also issued a blistering rebuke of president putin himself, saying his war of aggression against ukraine had brought shame on russia and the historic sacrifices of its people. earlier, i spoke to professorjeff colgan. he is director of the climate solutions lab at brown university and i asked him what he made of the g7 s plan. let s start with the idea that the war in ukraine is an act of russian petro aggression. 40% of russia s government