The World in Brief from The Economist

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.

Donald Trump met Xi Jinping at the White House, describing the talks as “great”, although the agenda was less substantial than the pomp. Also, Israel’s prime minister called his critics “phoney human-rights protesters” and defended Israel’s offensive in Gaza.

Donald Trump described his meeting with Xi Jinping at the White House as “great”.

Donald Trump described his meeting with Xi Jinping at the White House as “great"; Binyamin Netanyahu, Israel’s prime minister, delivered a combative speech at the UN General Assembly, casting his critics as “phoney human-rights protesters”

Donald Trump welcomed Xi Jinping at Joint Base Andrews ahead of a long-planned summit. Also, American Treasury yields jumped as investors weighed rising prices, volatile oil markets and future interest-rate hikes.

Donald Trump told the UN General Assembly that he could either make a deal with Iran to end the war or he could “annihilate the Islamic republic”.

American Treasury yields jumped as investors weighed rising prices, volatile oil markets and future interest-rate hikes; Masoud Pezeshkian said Iran “cannot be made to surrender”; At the UN General Assembly, Iran’s president also accused America of breaking international law by striking civilian targets, including a girls’ school, and assassinating the country’s supreme leader.