What are Beijing’s tactics in cracking down on the COVID protests?

Over the weekend, massive protests across China against lockdowns and draconian COVID policies took the world by storm. On Monday, the CCP deployed its state apparatus to stamp out the protests, including censoring Xi Jinping’s own speech! What are Beijing’s tactics in trying to stop the protests? Will Beijing crackdown on the “white paper movement” like it did in 1989 against the pro-democracy students? And who does it accuse as the foreign forces behind the protests?