abc s bob woodruff in hong kong tonight. reporter: tonight, anger boiling over in the streets, despite china s efforts to crack down on widespread protests over the country s extreme zero-covid policies. chaos erupt md as protesters threw glass and hurled projectiles. riot police in hazmat suits shielding themselves as they march in formation through the streets of guangzhou, northwest of hong kong. here on the streets of hong kong, there have been solidarity prot protests by students carrying those blank white pieces of paper, demonstrating against censorship. in shanghai, residents officers patrolling the same areas where protests erupted, stopped people on the street in downtown shanghai, looking through their phones for foreign apps. all this amid news tonight that china s former president jiang zemin, who helped