Major Outage in big sites of Fastly outage

Now here the big outage has taken place in major sites like PayPal, GitHub, also including the sites of UK government websites. It has been reported that the sites are down in the US, UK.

The error which is shown is the Error 503 Service Unavailable
Service Unavailable.The sites which faces this are like  

https://www.gov.uk/

https://m.media-amazon.com/

https://pages.github.com/

https://www.paypal.com/

https://stackoverflow.com/

https://nytimes.com/

https://www.speedtest.net/

https://www.ft.com/

https://www.theguardian.com/

https://www.theverge.com/

https://www.reddit.com

As here the confirming an outage fastly reponds in in its status page.

See also https://www.techtraverse.com/data-breach-of-dominos-launch-in-india-mi-tv-4a-40-horizon-edition-soon-inspired-by-ipod-click-wheel-apple-tv-4ks-new-siri-remotelaunched-motorola-edge-s-pioneer-edition-592