From left, Latvia's Prime Minister Evika Silina, Greece's Prime Minister Kyriakos Mitsotakis, Denmark's Prime Minister Mette Frederiksen and Czech Republic's Prime Minister Petr Fiala speak during a round table meeting at an EU summit in Brussels, Thursday, April 18, 2024. European Union leaders vowed on Wednesday to ramp up sanctions against Iran as concern grows that Tehran's unprecedented attack on Israel could fuel a wider war in the Middle East. (AP Photo/Omar Havana)