INSTANT messaging service Slack has crashed for thousands, hitting pause on workplace communications across the globe.
More than 3,500 users in the UK alone have reported issues with sending messages on the site since 10am this morning.
According to DownDetector, nearly 70 per cent of users say they can’t send messages.
The messages appear greyed out, as they haven’t sent properly.
Some 21 per cent of users have also reported problems with receiving messages.