Dozens of masked men stormed a train station in Hong Kong on Saturday, leaving the entire country in shock.
The men, who are suspected to be triad gang members, assaulted pro-democracy protesters and passers-by in the Yuen Long area.
The attack came during a night of violence which compounded Hong Kong’s political crisis over an extradition bill, that could see people sent to China for trial.
Several lawmakers have condemned the police for filing to arrive early at the scene to forestall the incident.
It is still unknown who organised the attack. Police said they had not made any arrests but were still carrying out investigations.
Protesters had earlier on Sunday surrounded China’s main representative office in the city and defaced walls and signs and clashed with police.
The city’s Beijing-backed leader, Carrie Lam, condemned the attack on China’s liaison office, saying it was a “challenge” to national sovereignty.