The World in Brief from The Economist

Iran’s foreign minister, Abbas Araghchi, said American mediators had not officially relayed their rejection of an Iranian offer of a seven-day ceasefire.

Iran’s foreign minister, Abbas Araghchi, said American mediators had not officially relayed their rejection of an Iranian offer of a seven-day ceasefire; British police detained five men on suspicion of preparing a terrorist act after a tip-off that three vans were heading towards RAF Fairford, an air base America uses to strike Iran.

Iran’s foreign minister said that only a negotiated solution could get America out of its “deadlock”. Abbas Araqchi’s social-media post came after Donald Trump rejected Iran’s offer of a seven-day ceasefire that could have reopened the Strait of Hormuz; A controversial march by members of Northern Ireland’s loyalist Orange Order will go ahead on Sunday after the High Court court reversed a ban.

America and China confirmed that they would establish a communications channel dedicated to AI incidents

America and China confirmed that they would establish a communications channel dedicated to AI incidents

OpenAI said that its artificial-intelligence agents may have hacked “dozens” of websites of international institutions, including governments, universities and public agencies; The Wall Street Journal reported that Donald Trump had rejected a seven-day ceasefire deal offered by Iran on Thursday.

ArcelorMittal said it was stopping production at Ukraine’s biggest steel plant

America’s Supreme Court allowed the Trump administration to continue using a broad database that lets states verify the citizenship of registered voters; Military leaders from Saudi Arabia, Turkey and Pakistan said they would hold an emergency meeting to discuss escalating attacks on Saudi Arabia by Iran-backed Houthi rebels.