Millions of users around the world suffered from sudden service interruptions in the WhatsApp and Instagram applications on Friday.
Users reported that they were unable to send message and view photos and videos on WhatsApp and Instagram.
The company did not respond to the current outage.
Several users took to Twitter to complain about the outage, with #Whatsappoutage trending in many countries, including India.
Outage tracking website Downdetector.com showed there were nearly 1 million incidents of people reporting issues with Instagram, while nearly 20,000 users posted about problems with WhatsApp on the website.
Downdetector tracks outages by collating status reports from a series of sources, including user-submitted errors on its platform. The outages might be affecting a larger number of users.