Margus Tsahkna said the restrictions will be "quite tough" VILNIUS, April 28. /TASS/. The EU’s 21st package of sanctions against Russia will be aimed at increasing pressure on the energy sector, Estonian Foreign Minister Margus Tsahkna said. "The 21st [package] is being prepared, and it will be quite tough, especially regarding energy resources," he said in an interview with the national State Television and Radio ERR . On April 22, EU ambassadors approved 90 bln euros in funding for Ukraine