European Union leaders agreed to pursue a partial ban on Russian oil, paving the way for a sixth package of sanctions to punish Russia and its president, Vladimir Putin, for the invasion of Ukraine. The sanctions would forbid the purchase of crude oil and petroleum products from Russia delivered to member states by sea but include a temporary exemption for pipeline crude, European Council President Charles Michel said late Monday during a summit in Brussels. “This immediately covers more than 2/3 of oil imports from Russia, cutting a huge source of financing for its war machine,” Michel said in a tweet . “Maximum pressure on Russia to end the war.” Officials and diplomats still have to agree on the technical details and the sanctions must be formally adopted by all 27 nations, and Michel said ambassadors would meet Wednesday. […]