London Mayor Sir Sadiq Khan is inviting San Francisco-based artificial intelligence (AI) developer Anthropic to grow its footprint in his city, while criticizing the Trump administration for seeking retribution against the company. Sir Sadiq's letter to Anthropic boss Dario Amodei came as the Pentagon designated Anthropic a supply chain risk after Amodei refused to give US defence agencies unfettered access to its AI tools. "It is extremely concerning to see this kind of behaviour, which is a