OpenAI says its AI went rogue and hacked a start-up

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OpenAI has revealed some of its most advanced AI models went rogue and hacked a start-up after it lost control of them during a security test. Our tech reporter explains what happened, and we speak to AI experts. Venezuela's ousted president, Nicolas Maduro, is due to appear in New York court. The hearing could confirm a trial date in June next year on drug-trafficking, narco-terrorism and firearms charges, which Mr Maduro denies. Our correspondent explains. Austria has opened a police station in the house where Adolf Hitler was born. Our Europe online editor gives details. We speak to night shift workers about the research into how we sleep could play a role in mitigating the toll of night shifts. And our correspondent in Los Angeles has the latest on the opening day of a preliminary hearing in the murder case against the singer who performs under the stage name D4vd. Presenter: James Reynolds. (Photo: OpenAI says AI agent exploits vulnerabilities in security test, Berlin, Germany - 22 Jul 2026. Credit: Filip Singer/EPA)