Hong Kong protests: Pro-democracy protesters defy tear gas

Riot police use pepper spray against protesters after thousands of people blocked a main road to the financial central district outside the government headquarters in Hong Kong, Sunday, Sept. 28, 2014. Authorities launched their crackdown after the protest spiraled into an extraordinary scene of chaos as the crowd jammed a busy road and clashed with officers wielding pepper spray. (Source: AP)

A student protester is overcome by pepper spray from riot police as thousands of protesters surround the government headquarters in Hong Kong Sunday, Sept. 28, 2014. (Source: AP)

Riot police launch tear gas into the crowd as thousands of protesters surround the government headquarters in Hong Kong Sunday, Sept. 28, 2014. Hong Kong police used tear gas on Sunday and warned of further measures as they tried to clear thousands of pro-democracy protesters gathered outside government headquarters in a challenge to Beijing over its decision to restrict democratic reforms for the city. (Source: AP)

Riot police use tear gas against protesters after thousands of people blocked a main road at the financial central district in Hong Kong, Sunday, Sept. 28, 2014. Authorities launched their crackdown after the protest spiraled into an extraordinary scene of chaos as the crowd jammed a busy road and clashed with officers wielding pepper spray. (Source: AP)

Riot police use pepper spray against protesters after thousands of people blocked a main road to the financial central district outside the government headquarters in Hong Kong, Sunday, Sept. 28, 2014. Authorities launched their crackdown after the protest spiraled into an extraordinary scene of chaos as the crowd jammed a busy road and clashed with officers wielding pepper spray. (Source: AP)

Riot police launch tear gas into the crowd as thousands of protesters surround the government headquarters in Hong Kong Sunday, Sept. 28, 2014. Hong Kong police used tear gas on Sunday and warned of further measures as they tried to clear thousands of pro-democracy protesters gathered outside government headquarters in a challenge to Beijing over its decision to restrict democratic reforms for the city. (Source: AP)

A student protester is overcome by pepper spray from riot police as thousands of protesters surround the government headquarters in Hong Kong Sunday, Sept. 28, 2014. (Source: AP)