Masked men attacked passengers after storming a train station in Hong Kong's Yuen Long district on Sunday.
Police say dozens of people are injured with one person in critical condition.
It comes after the latest pro-democracy rally in the centre of Hong Kong.
Demonstrations were also protesting against a controversial bill that allows extraditions to mainland China.
It's still unclear who the mob was or why the attacked the passengers.
Evacuated residents of Oleshky arrive in Ukraine, Zelenskiy says
Residents evacuated from the Russian-controlled Ukrainian town of Oleshky crossed into Ukraine on Saturday, President Volodymyr Zelenskiy said.
Congo Ebola outbreak kills more than 5,000
The death toll from the Ebola outbreak in the Democratic Republic of Congo has surpassed 5,000, government data showed on Friday, as authorities had yet to find a way to control the country's deadliest Ebola epidemic on record.
Isolated clashes in France, as tensions erupt after peaceful marches
Scuffles broke out in Paris and other French cities at the end of nationwide demonstrations driven by anger over living costs and strained public services, as authorities deployed in force to prevent a repeat of the unrest that erupted two weeks ago.
Residents of Russian-controlled Ukrainian town arrive in Belarus
Four planes carrying residents evacuated from the Russian-controlled Ukrainian town of Oleshky landed in Belarus on Saturday, the Belarusian Belta state news agency and a senior Ukrainian official said.
Motorists in the UAE will be paying less at the pump in November, the UAE Fuel Price Committee confirmed on Saturday.
Dubai's Roads and Transport Authority (RTA) has announced the closure of three major roads on Sunday, November 1 for over six hours due to Dubai Ride 2026.
The United Arab Emirates has expressed solidarity with India following a helicopter crash in Uttarakhand, in the Himalayas, which resulted in the death of a number of people.
