Russia's blockade of Ukrainian grain exports sparked fresh tensions with Europe as fears grow of a global food crisis, while Kyiv accused Moscow of stepping up attacks in the east of the country.
In New York, Dmitry Muratov, the Russian editor-in-chief of the independent newspaper Novaya Gazeta, auctioned off his Nobel Peace Prize gold medal for $103.5 million to benefit children displaced by the war in Ukraine, AFP said.
