Claude’s AI chat service went offline for users in the UK and other regions on Tuesday 23 June 2026. Users encountered errors when they tried to start a chat. It earlier that morning and reached everywhere. When users attempted to use it, the system produced faulty answers.
The team behind the service says they located the problem after checking the logs later on Tuesday. They are keeping an eye on the network while they deploy a solution. They say the problem should resolve once they finish checking operations are back online. People can retry once it stabilises.