The European Union on Tuesday launched a new barrage of sanctions against Russia for its invasion of Ukraine, including bans on Russian energy sector investments, luxury goods exports to Moscow and imports of steel products from Russia. The sanctions also freeze the assets of more business leaders who support the Russian state, including Chelsea football club owner Roman Abramovich and the head of Russian state TV Channel One Konstantin Ernst, who were added to a blacklist that already includes dozens of wealthy Russians. The latest sanctions follow three rounds of punitive measures which incl…