World Brief: A U.S.-Iran peace deal arrives just in time for the G-7 leaders’ summit, the United Kingdom cracks down on minors’ social media access, and suspected Russian strikes d

World Brief: A U.S.-Iran peace deal arrives just in time for the G-7 leaders’ summit, the United Kingdom cracks down on minors’ social media access, and suspected Russian strikes damage a UNESCO World Heritage Site in Kyiv.