The issue was reported from 2pm today (Picture: Getty Images)
Sky Mobile is believed to among a number of major mobile networks that have suffered a major outage this afternoon.
According to Downdetector thousands of people have reported issues with Sky and O2 services this afternoon.
There also seems to be issues with Three, and giffgaff.
The issue appeared to begin just after 2pm, with a number of mobile networks going down simultaneously.
Customers took to Twitter and other social media platforms to complain about the problems.
Hundreds of O2 customers were reporting outages, but the network has now confirmed that was linked to users not being able to reach Sky Mobile customers.
Posting to Twitter on Tuesday afternoon, the Sky Help Team said it was investigating the issue.
A spokesperson for Virgin Mobile O2 said: ‘We’re aware of the issue that is impacting Sky Mobile customers. Whilst they use the O2 network, this issue is impacting Sky Mobile services only and our network is working as usual.’
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The issue was reported at around 2pm this afternoon.
