EU foreign ministers signed off €500 million ($504.3 million) more in military aid for Ukraine as top EU diplomat Josep Borrell stressed the effectiveness of sanctions on Russia on Monday. “The sanctions work, the Russian economy is severely affected,” Borrell said in a press conference after a meeting of EU foreign ministers in Brussels. “Certainly it’s not going to stop the war overnight but the consequences of the sanctions will create a lot of economic trouble to Russia,” Borrell said. The latest contribution brings the total amount of military aid sent to Ukraine to €2.5 billion since Rus…