Ukrainian demonstrators demand an embargo on Russian oil during a protest in front of EU institutions prior to an extraordinary meeting of EU leaders to discuss Ukraine, energy and food security at the Europa building in Brussels, Monday, May 30, 2022. (AP Photo/Olivier Matthys)
Lorne Cook and Samuel Petrequin Associated Press BRUSSELS (AP) — In the most significant effort yet to punish Russia for its war in Ukraine, the…
