Hong Kong protesters remain in the streets, defying Beijing: photo gallery

A protester (C) raises his umbrellas in front of tear gas which was fired by riot police to disperse protesters blocking the main street to the financial Central district outside the government headquarters in Hong Kong, September 28, 2014. Hong Kong police used tear gas for the first time on Sunday to disperse pro-democracy protests and baton-charged the crowd blocking a key road in the government district after Hong Kong and Chinese officials warned against demonstrations. [REUTERS/Tyrone Siu]


A protester (C) raises his umbrellas in front of tear gas which was fired by riot police to disperse protesters blocking the main street to the financial Central district outside the government headquarters in Hong Kong, September 28, 2014. Hong Kong police used tear gas for the first time on Sunday to disperse pro-democracy protests and baton-charged the crowd blocking a key road in the government district after Hong Kong and Chinese officials warned against demonstrations. [REUTERS/Tyrone Siu]

Tens of thousands of pro-democracy protesters, many of them students, stayed out in the streets of Hong Kong early Tuesday, despite orders to disperse.

The demonstrators are keeping pressure on China as it faces one of its greatest political challenges since the Tiananmen Square massacre 25 years ago.

More in our previous posts, and here's how they're using mobile P2P technology.

More on today's protests at Reuters, and a gallery of photos by Reuters photogs follows.

Protesters hold their mobile phones as they block the main street to the financial Central district, outside the government headquarters, in Hong Kong, September 29, 2014. [REUTERS/Carlos Barria]


Protesters hold their mobile phones as they block the main street to the financial Central district, outside the government headquarters, in Hong Kong, September 29, 2014 [REUTERS/Carlos Barria]

A protester raises his arms as police officers try to disperse the crowd near the government headquarters in Hong Kong, September 29, 2014. [REUTERS/Carlos Barria]


A protester raises his arms as police officers try to disperse the crowd near the government headquarters in Hong Kong, September 29, 2014.[REUTERS/Carlos Barria]

Protesters block the main street to the financial Central district, outside the government headquarters, in Hong Kong, September 29, 2014. The banners read, "I want a real general election" (C) and "Embracing freedom in the storm" (R). [REUTERS/Carlos Barria]


Protesters block the main street to the financial Central district, outside the government headquarters, in Hong Kong, September 29, 2014. The banners read, "I want a real general election" (C) and "Embracing freedom in the storm" (R). [REUTERS/Carlos Barria]

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A vehicle drives among protesters blocking the main street to the financial Central district, outside the government headquarters, in Hong Kong September 29, 2014. [REUTERS/Carlos Barria]


A vehicle drives among protesters blocking the main street to the financial Central district, outside the government headquarters, in Hong Kong September 29, 2014. [REUTERS/Carlos Barria]

Riot police leave an area in front of the government headquarters as protesters block the main street to the financial Central district in Hong Kong, September 29, 2014. [REUTERS/Carlos Barria]


Riot police leave an area in front of the government headquarters as protesters block the main street to the financial Central district in Hong Kong, September 29, 2014. [REUTERS/Carlos Barria]

Riot police fire teargas to disperse protesters after thousands of demonstrators blocked the main street to the financial Central district outside the government headquarters in Hong Kong September 29, 2014. [REUTERS]


Riot police fire teargas to disperse protesters after thousands of demonstrators blocked the main street to the financial Central district outside the government headquarters in Hong Kong September 29, 2014. [REUTERS]

Hundreds of protesters block traffic on Nathan Road at Hong Kong's shopping Mongkok district September 29, 2014. [REUTERS/Liau Chung-ren]


Hundreds of protesters block traffic on Nathan Road at Hong Kong's shopping Mongkok district September 29, 2014. [REUTERS/Liau Chung-ren]

Riot police fire teargas to disperse protesters, after thousands of protesters blocked the main street to the financial Central district outside the government headquarters in Hong Kong September 28, 2014. [REUTERS]


Riot police fire teargas to disperse protesters, after thousands of protesters blocked the main street to the financial Central district outside the government headquarters in Hong Kong September 28, 2014. [REUTERS]

Riot police walk in between tear gas to disperse protesters after thousands of protesters blocked the main street to the financial Central district outside the government headquarters in Hong Kong September 28, 2014. [REUTERS]


Riot police walk in between tear gas to disperse protesters after thousands of protesters blocked the main street to the financial Central district outside the government headquarters in Hong Kong September 28, 2014. [REUTERS]

A protester sits as he blocks the main street to the financial Central district outside the government headquarters in Hong Kong September 29, 2014. [REUTERS/Carlos Barria]


A protester sits as he blocks the main street to the financial Central district outside the government headquarters in Hong Kong September 29, 2014. [REUTERS/Carlos Barria]