Update
2022-09-15T15: 34: 01.791ZAlerts of a zoom outage began around 8am PDT / 12pm EDT / 3pm BST, with a significant increase in reports seen on the DownDetector tracking site.
Zoom was quick to respond, tweeting on its main Twitter account (opens in new tab) that it was aware of the issues and that its engineering team was "investigating the matter."