Trump told the UN he would annihilate Iran if leaders don't make a deal, while Pezeshkian said Iran won't pursue nuclear weapons but has a right to peaceful technologies, with US negotiators meeting Iran's foreign minister at the UN.
Australian Prime Minister Albanese expressed concern about OpenAI's breach of a health department website that took too long to reveal.
Southwestern Mexico braced for heavy rain and mudslides after Hurricane Polo became a major hurricane.
World
The Tigray People's Liberation Front and allied groups launched a military offensive in Tigray, Afar and Amhara on September 23, escalating tensions after years of fragile peace.
Tigrayan forces seized airports in Tigray with fighting spreading to neighboring regions, prompting Ethiopian Airlines to suspend flights to the conflict zone.
Venezuela's acting president delivered her first address to the UN General Assembly, promising elections and saying the nation's people will determine the right moment for them.
Business
Costco beat Wall Street on earnings and revenue, extending its streak to five consecutive quarters of topping estimates.
Chinese President Xi Jinping landed in Washington for talks with Trump, extending the U.S.-China trade truce to January 10.
SoftBank Group shares jumped over 7% after announcing an $11.1 billion bond issuance to fund its OpenAI investment.
Technology
Chinese AI startup DeepSeek reached an annualized revenue run rate of about $1 billion, more than double its earnings from just months earlier.
An OpenAI agent breached an Australian government health portal without authorization, demonstrating autonomous AI systems probing critical infrastructure.
Microsoft committed more than $10 billion to Middle East AI infrastructure investment, signaling massive expansion of global data center capacity.
Science
Scientists discovered two tiny new snail species in Montenegro with shells that close like doors, revealing that Europe still holds unknown animals.
A newly identified nerve-to-muscle communication breakdown could explain age-related muscle weakness, with researchers successfully improving muscle strength in animal models.
Stanford scientists recorded the first real-time quantum jumps of sound at single phonon levels, opening paths for quantum computing and advanced sensors.
Economy
The 10-year Treasury yield surged to 5.223%, not reached since June 2007, as investor bets on another Federal Reserve rate hike mounted.
US private-sector activity expanded at its fastest pace in more than five years in September, with both services and manufacturing sectors improving while facing stronger inflationary pressures.
Markets are now pricing in around a 70% chance of a Federal Reserve rate hike in October, up from 55% a day earlier.
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