The suspension, which will be rolled out this week, is expected to impact about 150,000 accounts globally, Twitter said.

In addition to the QAnon accounts, Facebook also removed accounts linked to VDARE, a U.S. website known for posting anti-immigration content.

Supports of an online conspiracy theory known as QAnon are starting to show up at Trump rallies, where they tout their fringe movement with T-shirts and placards.