Users of Virgin Media have reported outages alongside several major mobile phone companies, including Vodafone, BT, onestream, Voxi, CityFibre, TalkTalk, EE, Sky, Three, O2.
According to DownDetector, more than 1,000 people have reported issues with Virgin Media in the last hour.
Users have been turning to social media platforms to complain about the outages.
Downdetector is an online website that allows users of popular services including X (Twitter), Instagram, Facebook, Virgin Media and more to report if they are having trouble with the services.
The site only reports an incident when the number of problem reports is significantly higher than the typical volume for that time of day.
Describing itself on its website, Downdetector is "where people go when services don't work."
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The website monitors disruptions to various key services including the internet, web hosting platforms, banks, social media and more.
You can see the full methodology and learn more about how Downdetector collects status information and detects problems via its website.
In short, users can get involved by submitting any issue reports on the platform.
Problem indicators are also collected from social media and other factors on the web, Downdetector explained.