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Hundreds have turned out in central London for two separate marches over the ongoing protests in Hong Kong.

One demonstration, entitled #standwithHK, saw hundreds meet at Trafalgar Square before they marched towards Parliament Square, waving placards.

Meanwhile, a counter group of pro-China protesters set up an alternative protest, supporting police and condemning violence.

Also meeting in Trafalgar Square, they yelled "One China!", while Hong Kong protestors chanted “Two systems" in reply.

Another animal rights protest was taking place in the area, meaning the area was particularly busy. Police eventually closed Trafalgar Square to deal with the crowds.

The protesters supporting Hong Kong then took a route via Piccadilly, Piccadilly Circus, Haymarket, Cockspur Street and Whitehall.

Police said they were aware of the protest and had officers on the scene.

They added that Whitehall had been closed southbound because of the demonstrations.

Transport for London said there were closures in place around Hyde Park Corner.

The protest coincides with an 11th weekend of demonstrations in Hong Kong, which began in early June.

Today saw pro-democracy protesters march on one side of Hong Kong's famous harbour, while a pro-government rally called for an end to the often violent protests on the other side of the water.

Thousands of schoolteachers also marched to the official residence of Hong Kong's leader, Carrie Lam, to show support for the protesters, many of whom are students.

Demonstrations are being held elsewhere in support of both the pro-democracy movement and China.

In Australia, at least 200 protesters descended on Sydney Town Hall, chanting "Long live China" and singing the Chinese national anthem, while a protest in support of the pro-democracy movement continued in Melbourne.

Hong Kong teachers' rally - In pictures 28 show all Hong Kong teachers' rally - In pictures 1/28 Protesters gather for a march organised by a pro-democracy group in Hong Kong AP 2/28 People shelter from the rain during the the 'Restore Tranquility to Our Homeland' demonstration against the extradition bill REUTERS 3/28 A pro-democracy protester ties a white-ribbon, symbolising the pure intentions of young protesters during a march organized by teachers in Hong Kong AP 4/28 Pro-democracy protesters stand in solidarity with young protesters during Saturday's rain-soaked march AP 5/28 Thousands of protesters take to Hong Kong's streets on Saturday REUTERS 6/28 A pro-democracy protester with his eye covered with a red-eyepatch in tribute to a women reported to have had an eye ruptured by a beanbag round fired by police during clashes AP 7/28 Protesters take part in the march titled 'Recover Hung Hom' in To Kwa Wan, Hong Kong EPA 8/28 A protester prepares to throw an egg at a pro-government lawmaker during Saturday's march AP 9/28 A pro-democracy protester gestures during rallies in Hong Kong REUTERS 10/28 A protester walks past anti-government graffiti on a wall in the city EPA 11/28 A protester waves a British colonial flag during Saturday's pro-democracy rally EPA 12/28 A protester displays a placard with an image of Hong Kong leader Carrie Lam AP 13/28 Children were among the participants in Saturday's peaceful rally REUTERS 14/28 Locals watch as thousands stream through the city REUTERS 15/28 Teachers and thousands of pro-democracy protesters took to the streets REUTERS 16/28 Family members offer drinks to protesters during the rally REUTERS 17/28 Protesters march through the streets of Hong Kong AP 18/28 A protestor covers his right eye during the protests REUTERS 19/28 Protesters march through the streets of Hong Kong AFP/Getty Images 20/28 Protesters march through the streets of Hong Kong REUTERS 21/28 Protesters march through the streets of Hong Kong REUTERS 22/28 Protestors voicing support for democracy in Hong Kong gather at a demonstration outside the State Library of Victoria in Melbourne, Australia EPA 23/28 Protestors voicing support for democracy in Hong Kong gather at a demonstration outside the State Library of Victoria in Melbourne, Australia EPA 24/28 Pro-democracy demonstrators march in support of the Hong Kong democracy movement outside the State Library of Victoria in Melbourne, Australia EPA 25/28 A pro-democracy demonstrator holding a Taiwanese flag clashes with pro-China supporters during a demonstration near Town Hall in Sydney EPA 26/28 A Pro-China activist marches on the streets of Sydney on August 17 AFP/Getty Images 27/28 Pro-China activists hold up placards and China with Hong Kong flags while marching on the streets of Sydney AFP/Getty Images 28/28 Pro-China activists take to the streets of Sydney AFP/Getty Images 1/28 Protesters gather for a march organised by a pro-democracy group in Hong Kong AP 2/28 People shelter from the rain during the the 'Restore Tranquility to Our Homeland' demonstration against the extradition bill REUTERS 3/28 A pro-democracy protester ties a white-ribbon, symbolising the pure intentions of young protesters during a march organized by teachers in Hong Kong AP 4/28 Pro-democracy protesters stand in solidarity with young protesters during Saturday's rain-soaked march AP 5/28 Thousands of protesters take to Hong Kong's streets on Saturday REUTERS 6/28 A pro-democracy protester with his eye covered with a red-eyepatch in tribute to a women reported to have had an eye ruptured by a beanbag round fired by police during clashes AP 7/28 Protesters take part in the march titled 'Recover Hung Hom' in To Kwa Wan, Hong Kong EPA 8/28 A protester prepares to throw an egg at a pro-government lawmaker during Saturday's march AP 9/28 A pro-democracy protester gestures during rallies in Hong Kong REUTERS 10/28 A protester walks past anti-government graffiti on a wall in the city EPA 11/28 A protester waves a British colonial flag during Saturday's pro-democracy rally EPA 12/28 A protester displays a placard with an image of Hong Kong leader Carrie Lam AP 13/28 Children were among the participants in Saturday's peaceful rally REUTERS 14/28 Locals watch as thousands stream through the city REUTERS 15/28 Teachers and thousands of pro-democracy protesters took to the streets REUTERS 16/28 Family members offer drinks to protesters during the rally REUTERS 17/28 Protesters march through the streets of Hong Kong AP 18/28 A protestor covers his right eye during the protests REUTERS 19/28 Protesters march through the streets of Hong Kong AFP/Getty Images 20/28 Protesters march through the streets of Hong Kong REUTERS 21/28 Protesters march through the streets of Hong Kong REUTERS 22/28 Protestors voicing support for democracy in Hong Kong gather at a demonstration outside the State Library of Victoria in Melbourne, Australia EPA 23/28 Protestors voicing support for democracy in Hong Kong gather at a demonstration outside the State Library of Victoria in Melbourne, Australia EPA 24/28 Pro-democracy demonstrators march in support of the Hong Kong democracy movement outside the State Library of Victoria in Melbourne, Australia EPA 25/28 A pro-democracy demonstrator holding a Taiwanese flag clashes with pro-China supporters during a demonstration near Town Hall in Sydney EPA 26/28 A Pro-China activist marches on the streets of Sydney on August 17 AFP/Getty Images 27/28 Pro-China activists hold up placards and China with Hong Kong flags while marching on the streets of Sydney AFP/Getty Images 28/28 Pro-China activists take to the streets of Sydney AFP/Getty Images

In Taiwan, people held a flash mob demonstration in Taipei, the island's capital, in support of the Hong Kong protests.

Demonstrators first took to the streets in June after the Hong Kong government put forward controversial extradition proposals that would have allowed some suspects to be sent to mainland China for trials.

Hong Kong Anti-Government Rally - In pictures 22 show all Hong Kong Anti-Government Rally - In pictures 1/22 Reuters 2/22 AFP/Getty Images 3/22 AP 4/22 AP 5/22 Getty Images 6/22 EPA 7/22 AFP/Getty Images 8/22 EPA 9/22 REUTERS 10/22 EPA 11/22 AP 12/22 Reuters 13/22 EPA 14/22 REUTERS 15/22 EPA 16/22 AFP/Getty Images 17/22 Reuters 18/22 EPA 19/22 AP 20/22 AP 21/22 AP 22/22 AP 1/22 Reuters 2/22 AFP/Getty Images 3/22 AP 4/22 AP 5/22 Getty Images 6/22 EPA 7/22 AFP/Getty Images 8/22 EPA 9/22 REUTERS 10/22 EPA 11/22 AP 12/22 Reuters 13/22 EPA 14/22 REUTERS 15/22 EPA 16/22 AFP/Getty Images 17/22 Reuters 18/22 EPA 19/22 AP 20/22 AP 21/22 AP 22/22 AP

This led to fears of Hong Kong's independent legal system being bypassed, with people being pulled into China's legal system - which can involve television confessions and a lack of judicial safeguards seen in Hong Kong and the UK.

The government suspended the planned legislation although protesters have pressed on with broader calls for it to be scrapped entirely along with demands for democratic reforms.