Tech giants Apple and Google have removed the United Arab Emirates-based (U.A.E.) messaging app ToTok from their app stores over allegations of spying.

The decision came after a report by the New York Times claiming on Sunday that the program was being used by the U.A.E. as a tool for mass surveillance of its citizens, according to the Business Insider news website.

While Google accused the app of violating its policies, Apple said its own investigations continued.

According to the report citing U.S. officials familiar with classified intelligence, the app was being used to mine data from users’ contact

Read more: Apple, Google remove UAE-based chat app over spying