The EU on Thursday summoned the Russian ambassador to the European Union to convey its “strongest condemnation” of the attack on Ukraine, the bloc’s foreign policy service said in a statement. Ambassador Vladimir Chizhov was condemned for the “unprovoked, unjustified invasion of Ukraine by armed forces of the Russian Federation” and told to convey to Moscow Brussels’s demand for an immediate end to military operations, the statement said. The secretary general of the EU’s external action service, Stefano Sannino, summoned Chizhov at the direction of EU foreign policy chief Josep Borrell. “Secr…