The European Union is set to impose its toughest sanctions yet on Russia, banning imports of its oil and blocking insurers from covering its cargoes of crude, officials and diplomats say, as the West seeks to deprive Moscow of cash it needs to fund the war on Ukraine and keep its economy functioning. The sanctions, which are expected to be completed in the coming days, are harsher than expected . The ban on insurers will cover tankers carrying Russian oil anywhere in the world. These sanctions could undercut Russia’s efforts to sell its oil in Asia. European companies insure most of the world’s oil trade. Continue reading your article with a WSJ membership View Membership Options