New Update
WhatsApp, Instagram, and Facebook services are down for the majority of users. Several users took to Twitter to report the major outage on these platforms.
At the time of writing this news (9.40 pm, October 4), all three services were showing an error that is refreshing.
While WhatsApp is not sending or receiving messages, Instagram shows "couldn't refresh the feed." Similarly, Facebook was also not working.
-PTC News-