Hong Kong police fire tear gas at protesters, thousands call on US to help
Hong Kong returned to China under a 'one country, two systems' formula that guarantees freedoms not enjoyed on the mainland, but many Hong Kong residents fear Beijing is eroding that autonomy.
A PROTESTER holds up a sign during a rally appealing to the US Consulate General in Hong Kong on Sunday. (photo credit: KAI PFAFFENBACH/REUTERS)BySUMEET CHATTERJEE, JOE BROCK