Such threats continue to evolve, Gleicher said: “It’s clear they’re not going to stop.

They’re just going to shift their tactics.”

It mainly targeted people in the Palestinian territories.

Two other networks focused on the ongoing migrant crisis at the Belarusian border, Meta said.

Posts also criticized Belarus' handling of the crisis.

Posts included pictures and videos alleging mistreatment of migrants by Polish border guards.

The researchers weren’t able to directly tie the campaign to the Chinese government.