European leaders have welcomed the agreement reached between the United States and Iran to end hostilities. The deal, announced late Sunday night, has been lauded by figures including European Council President António Costa, UN Secretary-General António Guterres, and French President Emmanuel Macron. Costa stated the European Union is prepared to contribute to a strategy for lasting peace in the region. German Chancellor Friedrich Merz described the agreement as a diplomatic breakthrough. While details remain limited, the focus is expected to shift towards ensuring the opening of the strategically vital Hormuz Strait. The agreement signals a potential de-escalation of tensions in the region, though long-term stability remains to be seen.