EU diplomats agreed on Wednesday to widen a third round of sanctions on Belarus and Russia to target more oligarchs and officials after Russian President Vladimir Putin invaded Ukraine. The stronger measures close loopholes in existing sanctions and take aim at Belarus’s financial sector, the EU’s top diplomat Josep Borrell said in a press release from the 27 EU member states. The third round of sanctions on Russia, the largest EU package agreed since the invasion, includes a freeze on the Russian Central Bank’s assets in the bloc and a ban on Kremlin media in the European Union. A total of 16…