Hong Kong descends into chaos again as protesters defy ban

A protester attacks a man with an aerosol near the Tsim She Tsui police station during a rally in Hong Kong, Sunday. (AP Photo/Vincent Yu)

Protesters attack a man who was trying to stop them from vandalizing near the Tsim She Tsui police station during a rally in Hong Kong, Sunday. (AP Photo/Vincent Yu)

Police arrive to chase away protestors in Hong Kong, Sunday. (AP Photo/Kin Cheung)

Protestors set fire on a street to prevent police from approaching in Hong Kong, Sunday. (AP Photo/Vincent Yu)

HONG KONG — Hong Kong streets descended into chaotic scenes following an unauthorized pro-democracy rally Sunday, as protesters set up roadblocks and torched businesses, and police responded with tear gas and a water cannon.