Users were unable to send and receive messages and since many people use the service for communicating with their work colleagues, it caused a pause in their work day. Problems were reported with the messaging service across the UK on Down Detector including in London, Cardiff and Manchester. — Dave Stark (@ilikejam) July 27, 2023Of the problems reported, 64% related to sending messages while 23% related to receiving messages. A further 13% related to the Slack app, at the time of writing. Slack users take to Twitter as messaging service goes downDespite the messaging service being down, users took to Twitter in good spirits.

Source: The Times July 27, 2023 10:02 UTC