TOPSHOT - A protester reacts as he is detained by police officers during clashes between demonstrators and police in the Mong Kok district in Kowloon after taking part in a march to the West Kowloon rail terminus against the proposed extradition bill in Hong Kong on July 7, 2019. - Tens of thousands of anti-government protesters rallied outside a controversial train station linking the territory to the Chinese mainland on July 7, the latest mass show of anger as activists try to keep pressure on the city's pro-Beijing leaders. (Photo by VIVEK PRAKASH / AFP)