Sky internet appears to have been hit by network problems, causing issues for people trying visit websites and use other online services.
Hundreds of reports were registered by Down Detector, while users also complained of problems on social media.
"Can someone stick 50p in the metre or reconnect the wires?" one customer wrote on Twitter. "Sky internet is down again!"
Customers are able to monitor any issues with their service through Sky's status page.
More to follow