Ceasefire in doubt as Israel vows to respond after it intercepted missile attack from Iran hours after truce began

World braced for Iran's response after US attacked key Iranian nuclear sitesTehran approves move to close the Strait of Hormuz, affecting quarter of global oil shipmentsDublin Airport says situation ‘remains fluid and disruption to flight schedules in and out of the Middle East is possible over the coming 24 hours’Follow the latest news, views and analysis in our live blog below