EDITORS PLEASE NOTE: EDIT CONTAINS GRAPHIC MATERIAL A teenage protester has been shot in the chest by a police officer firing a live round, Hong Kong police have confirmed - as the city seethes on the 70th anniversary of the founding of Communist China.
In a video that went viral online, a protester can be seen swinging a pole at a police officer, before he is shot at close range.
Another video shows what is believed to be the same man lying on the ground injured while a police officer holds down another protester.
One person is in hospital in a critical condition, Hong Kong's Hospital Authority said, while at least another 14 have been injured.
Police confirmed that an officer opened fire at a protester, and said he was acting in self-defense.
As Beijing marked the founding of the People's Republic with a display of military might, it was a tale of two cities in this country with two systems. Cat-and-mouse clashes spread across Hong Kong with police firing tear gas and rubber bullets at petrol bomb-hurling protesters.
Earlier, thousands had marched from Causeway Bay towards the government headquarters in Admiralty, defying a ban on a rally.
Hong Kong's pro-democracy movement had vowed to hijack China's National Day to propel their protests further onto the international stage.
Video footage of in the A protester has been shot in the chest in Hong Kong in the first time police have hit protesters with live ammunition.
As the city seethes on the 70th anniversary of the founding of Communist China, police say they fired warning shots to disperse protesters.
One appears to have hit a protester who was seen in a Facebook video lying on the ground and saying his chest hurt.
He is reportedly in a critical condition in hospital.