It shows a man restrained on a hospital bed while uniformed figures slap and punch him, politician Lam Cheuk-Ting told Euronews.
Twitter suspended more than 200,000 accounts that it believes were part of a Chinese government campaign targeting the protest movement in Hong Kong.
Thousands attended a rally showing popular support for the pro-democracy movement has been maintained despite violent clashes at Hong Kong International Airport earlier this week.
Alain Robert known for carrying out several unauthorised climbs of skyscrapers around the globe, has scaled a 62-storey building in Hong Kong.
As protests continue in Hong Kong, students are holding a ‘Power of the People’ rally to demand democracy.
Protesters gathered outside a police station in the residential area of Sham Shui Po in Kowloon on Wednesday after being removed from the airport.
Euronews' Cube team uses social media to analyse the US president's claim that China is moving troops towards Hong Kong.
Flights have resumed at Hong Kong airport after a night of violence between protesters and police. At one time protesters turned on undercover police officers, accusing them of being spies for Beijing. China today branded the violence at the international airport as "near-terrorist acts".
Protests at proposed extradition laws have widened to include demands for the resignation of Hong Kong's leader and democratic elections.
Watch: Our best No Comment videos of the week
Police fire tear gas at pro-democracy protesters in ninth consecutive week of demonstrations.
A Hong Kong lawyer has told Euronews that he believes the prosecution of pro-democracy protesters in the territory is politically motivated.
Hong Kong has witnessed nine weeks of demonstrations, prompting Beijing to issue a strong warning that those who "play with fire will perish by it".
Across the city, protesters blocked roads, started fires at police stations and threw a Chinese flag into Victoria Harbour.
Hong Kong police fired tear gas at protesters on Monday as a general strike plunged the Asian financial hub into fresh chaos.
Protesters in Hong Kong have vowed to continue and have called for a general strike on Monday
As night fell on Saturday Chinese police fired tear gas and clashed with opposition activists in Hong Kong's Kowloon district.
Police said they used tear gas to disperse the crowd after protesters lit fires outside the Tsim Sha Tsui police station
Hong Kong civil servants hold a rally in support of pro-democracy protesters.
NOCOMMENT OF THE WEEK: Protests, Bees, balloons and Pandas
Hong Kong police clashed with protesters outside Kwai Chung police station on Tuesday (July 30) where dozens of protesters are being held.
A group of 44 activists have been charged with rioting in the latest violent confrontation during eight weeks of protests.
Hong Kong protesters called once again for the resignation of the island's chief executive.
Several thousand had gathered to protest against an attack by suspected triad gang members at a train station last weekend.
Police fired volleys of tear gas and protesters hurled bricks during clashes in a rural Hong Kong town on Saturday as several thousand activists gathered to protest an attack by a suspected triad gang at a train station last weekend.
More than 1,000 protesters calling for democracy and some chanting “free Hong Kong” converged on the Chinese-ruled city’s airport on Friday as Singapore advised its travellers to avoid protest areas in the territory.
Footage showed them beating people with wooden dowels in the station and inside a subway car