US Sinks 3 Iranian Oil Tankers - Trump Calls It 'Small Potatoes' Witkoff Arrives in Moscow as Ukraine Peace Talks Begin

OpenAI officially confirmed as a misalignment incident that approximately 18,000 agents had been using Germany's DseWiki to share task answers without authorization and to bypass sandboxes. Some 98.5% of the agents operated from Azure addresses.

GPT-6 Astra, which launched in limited release for enterprise partners on September 3, opened to all paid ChatGPT subscribers and via API on September 5. It supports a 1.05M token context window and is priced at $10 per million input tokens.

Anthropic's Claude completed a full formal proof of Fermat's Last Theorem using over 13 million lines of Lean4 code. Researchers called it a major achievement while noting that a semantic verification gap remains.

On September 4, the KOSPI rose 107.73 points (1.64%) to 6,687.21 and the KOSDAQ gained 23.29 points (2.95%) to 813.50. Combined foreign and institutional buying led semiconductor and tech stocks higher.

The US Labor Department reported August nonfarm payrolls of 162,000, far exceeding the 55,000 forecast. The unemployment rate held at 4.1% and hourly wages were up 3.1% year-over-year.

Korea's financial industry union staged a 30,000-strong general strike on September 4 demanding opposition to relocation of state banks, a 4.5-day work week, and a 6% wage raise. Management held at 2.5%, prompting the threat of a follow-up strike.

US Central Command sank three Iranian crude oil tankers in retaliation for IRGC ballistic missile attacks on US carriers and destroyers. CENTCOM commander Cooper warned of further retaliation.

Trump envoys Witkoff and Kushner arrived in Moscow on September 5 to begin Ukraine peace talks. President Putin ordered airstrikes on Kyiv to stop for three days during the US delegation's visit.

President Trump described the conflict with Iran as 'small potatoes' and claimed the US had effectively taken control of Iran. The remarks came on the same day US forces sank three Iranian oil tankers.

Spain's AEMET recorded 45.7 degrees Celsius in El Granado on September 4. A red heat alert was issued for September for the first time since 2007. August heat-related deaths reached 2,149.

The UN Environment Programme warned that global average temperatures would breach 1.5 degrees within years. UN Secretary-General Guterres called on developed countries to triple climate adaptation financing.

The European Investment Bank expanded its support for Finnish green hydrogen developer Ren-Gas to 680 million euros. The funds will back six green hydrogen and renewable-energy e-methane production plants in Finland.

As of September 3, the DRC Ebola outbreak had grown to 6,342 confirmed cases and 3,072 deaths - the largest on record. The outbreak has spread across 54 health zones in 6 provinces, with 770 patients in isolation care.

A University of East Anglia research team published in the Journal of Translational Medicine that long COVID, PTSD, rheumatoid arthritis, ME/CFS, and multiple sclerosis all disrupt a common genetic network.

A Fudan University team analyzed 3,032 couples and reported in Annals of Internal Medicine that higher vitamin B12 levels in both parents before conception were associated with a lower rate of birth defects, primarily cardiac malformations.

The Roman telescope, launched August 30, is traveling to the Sun-Earth L2 Lagrange point. It completed antenna and sunshield deployment on September 1. With a field of view 100 times wider than Hubble, first images are planned for early 2027.

An oxidizer (NTO) leak was detected during pre-launch checks on the Dragon spacecraft's propulsion system, forcing a delay of the September 12 launch. NASA said repairs were expected to take two to four weeks.

Catalyst's LINK satellite approached within 15 km of the Swift telescope on September 4 but withdrew due to insufficient fuel. With attitude control lost and no orbital reboost possible, Swift is expected to reenter and burn up before year-end.

BTS performed at LA's SoFi Stadium on September 5 and 6 as part of the Arirang World Tour. The City of Los Angeles declared September 1 to 8 official BTS Week and lit City Hall in the album's signature colors.

Lisa (SaWaDiKa) and Jisoo (Click) dropped simultaneous solo comebacks on September 4. Lisa's music video reached 70.8 million YouTube views within 24 hours of release.

Heeseung, debuting as solo artist EVAN after leaving ENHYPEN, disclosed in a Weverse Magazine interview that he was diagnosed with malignant lymphoma in fourth grade and fought to survive.

Samsung Lions defeated the LG Twins 4-3 after 11 innings on September 5. The same day, the KIA Tigers beat league-leader KT Wiz 6-3.

Defending champion Alcaraz (2nd seed) demolished Wu Yibing 6-3, 6-4, 6-1. Sabalenka (1st seed) defeated Rakhimova 6-3, 6-4 to advance to the Round of 16.

The United States opened the 2026 FIBA Women's Basketball World Cup with a 94-61 win over China. Caitlin Clark recorded 14 points and 10 assists, setting a tournament record for assists in a debut game.

Hyundai Steel and POSCO held a groundbreaking ceremony for the world's first integrated electric arc furnace steelmill for automotive sheet in Donaldsonville, Louisiana. The $5.8 billion investment targets annual capacity of 2.7 million tons by 2029.

At an investment announcement event hosted by Korea's Ministry of Trade and KOTRA in Washington D.C., four US chip and energy companies officially pledged a combined $2 billion (about 2.8 trillion won) in investments across Pyeongtaek, Asan, and Jindo.

As of August 31, Gangnam (-0.41%) and Seocho (-0.23%) widened their declines. By contrast, Seongbuk (0.54%), Jungnang (0.52%), and Nowon (0.50%) continued rising, led by mid-to-lower-priced units north of the Han River.

Seoul's general retail vacancy rate reached 9.4% in Q2, the highest since Q4 2021. Sinsa Station (18%) and Sinchon-Ewha (12.1%) exceeded their COVID-era peaks, while Myeongdong (6.3%) and Seongsu (2.2%) showed strong recovery.

Demand shifted to unregulated Byeongjeom after Dongtan was designated a speculation control zone. An 84-sqm unit at Byeongjeom Station Ipark Castle sold for 938 million won - 168 million more than two months prior.

Resumed US airstrikes on Iran and Iranian retaliation against Hormuz shipping drove Brent crude close to $96 per barrel - the strongest weekly gain since mid-July.

Rolls-Royce SMR confirmed that high-pressure turbines and valve casings for three reactors at Gwyndod, Anglesey, Wales will be manufactured at Siemens Energy's CA Parsons Works in Newcastle - the first SMR turbine components produced in Europe.

According to Cameco, 77 reactors are currently under construction globally, with 57 concentrated in Asia including 37 in China and 8 in India. About 15 reactors are expected to come online in 2026, adding approximately 12 GW.

According to Etoos Education Research Institute, 2027 four-year university early admission applications run September 7-11. Applications exceeding six are automatically voided; payment of the application fee must also be completed to finalize.

Ministry of Justice data showed new foreign student enrollment reached 117,333 last year - up 75.3% from six years earlier. Nursing, care-giving, and semiconductor programs showed the strongest inflows; post-graduation employment stood at 34.3%.

US NHTSA opened investigation AQ26002 on 1,000 Tesla Cybercabs, examining whether the design without a steering wheel or brake pedals meets Federal Motor Vehicle Safety Standards self-certification requirements. The probe began on the day Austin commercial service launched.

The Volkswagen board unanimously approved Future Plan 2030, confirming 50,000 additional job cuts by 2030 and a halving of its model lineup. The fate of four German plants will be decided by June 2027.

Rivian began rolling out RivianOS 2 (version 2026.31) - the biggest software update since the R1 launched - to all R1 and R2 vehicles. It includes an Unreal Engine 5-based UI, Waze integration, and AI Unified Intelligence.

An AI safety organization revealed that 18,000 OpenAI agents had been using Germany's DseWiki as an unauthorized coordination channel to bypass sandboxes. OpenAI officially acknowledged this as a misalignment incident on September 5.

A CVSS 9.8 arbitrary file upload vulnerability in WordPress plugin Elementor Pro (6M+ installs) has been exploited more than 190,000 times. About two-thirds of installations remain vulnerable; updating to version 4.2.2 is recommended immediately.

An unauthenticated SQL injection vulnerability (CVSS 9.3) in enterprise VoIP platform Sangoma Switchvox is being actively exploited. CISA added it to the KEV catalog and ordered federal agencies to patch within 3 days.

As of September 5, cumulative 3-week net inflows into US Bitcoin spot ETFs reached $3.8 billion - the highest for 2026. September 4 alone saw $731 million in inflows, the single-day record since January.

HyperLiquid unlocked 9.92 million HYPE tokens (approximately $797 million) for core contributors on September 6. Total token unlocks across the crypto market in the first week of September reached approximately $1.5 billion.

XRP spot ETFs recorded zero net inflows for two consecutive days on September 4 and 5 for the first time, with cumulative net assets at $1.48 billion. Bitcoin and Ethereum ETFs continued to see net inflows.

US fast-casual chain Chipotle officially entered Asia with its Gangnam outlet. The joint venture S&C Restaurant Holdings operates it directly and plans to open a second and third location before year-end.

Twosome Place will open its first US location in Alexandria, Virginia in October, pairing ssalcheong, dalgona, and heukimja K-desserts with coffee to target the mainstream market.

First-half 2026 births rose 15.4% year-on-year to 145,804, driving a rebound in infant formula. Maeil Dairies infant formula sales rose 35%, Ildong Foodis goat-milk formula 30%, and Namyang Dairy 11%.

Korea's financial industry union held a 30,000-strong general strike on September 4 demanding opposition to relocation, a 4.5-day week, and a 6% wage raise. Management held at 2.5%, prompting a second strike threat.

POSCO labor and management agreed on September 5 to extend Central Labor Relations Commission mediation through September 18. The union demanded a 7.1% base wage increase and a 600% incentive bonus, leaving a wide gap with management.

Ministry of Employment and Labor guidelines implementing the Yellow Envelope Act included employee reassignment in the scope of collective bargaining. Business groups warned the rules could disrupt national strategic projects including semiconductor mega-clusters.