Claude, Anthropic's generative artificial intelligence chatbot, has gone offline in a major outage affecting its global services.Users can log in to the Claude interface, but the service does not respond to queries. Instead it returns a message saying: "A bit longer, thanks for your patience," The National can confirm."Due to unexpected capacity constraints, Claude is unable to respond to your message. Please try again soon," a further pop-up message stated.San Francisco-based Anthropic said it was aware of the issue and is working on a fix.More to follow...