A senior U.S. official said Iran attributed recent attacks on vessels to a malfunction in its internal systems.

Sinopec has completed the restructuring of China Aviation Oil, making China Aviation Oil a second-tier wholly owned subsidiary.

OpenAI released GPT-5.6 as Elon Musk and OpenAI founder Altman exchanged public insults on social media. Musk posted first, accusing Altman of having "taken fraud to a whole new level," and reposted a screenshot of Altman's US congressional hearing remark "I did this not out of enthusiasm," mocking that the "this" referred to fraud and alleging Altman's "love of scamming" is unmatched. Altman replied, accusing Musk of misleading public-market investors by promising to "short-term build space data centers," then promoted the new ChatGPT model, saying multiple benchmarks show GPT-5.6 Sol is currently the world's best model and that Musk's renewed attacks are a reliable signal.