* AI leaders warn UN of security risks as systems grow more powerful  Reuters
* LIVE: OpenAI and Anthropic to brief Security Council as AI guardrails debate intensifies  UN News
* UN General Assembly live: Iran’s president says Tehran ready for talks but hits back at Trump’s ‘bullying’  Financial Times
* AI experts warn against ‘apocalyptic’ rhetoric on risks  The Hindu
* Building standards for the next phase of AI  OpenAI
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