At least two fatalities occured on Sunday after a Russian ‘guided bomb’ struck a blood transfusion centre in Kharkiv, after Moscow promised retaliation for a drone attack on its tanker in the Black Sea near Crimea by Ukraine.At least two fatalities occured on Sunday after a Russian ‘guided bomb’ struck a blood transfusion centre in Kharkiv, after Moscow promised retaliation for a drone attack on its tanker in the Black Sea near Crimea by Ukraine.