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.
Fire in India’s Goa state kills at least 25
At least 25 people, including tourists, were killed in a fire at a popular entertainment facility in India’s Goa state, the state’s chief minister said on Sunday.
India caps airline fares as IndiGo crisis leaves hundreds stranded for fifth day
India capped airfares on Saturday as hundreds of passengers gathered outside Bengaluru and Mumbai airports after IndiGo cancelled 385 flights on the fifth day of a crisis at the country's biggest airline that has crippled air travel.
Pakistan, Afghanistan border clashes kill 5, officials say
Pakistan and Afghanistan exchanged heavy fire along their border late on Friday, officials from both countries said, killing at least five people amid heightened tensions following failed peace talks last weekend.
Gaza talks at critical moment, ceasefire not complete, Qatar's PM says
Negotiations on consolidating the US-backed truce in the war in Gaza are at a "critical" moment, Qatar's Prime Minister Sheikh Mohammed bin Abdulrahman al-Thani said on Saturday.
Indonesians climb over logs in walk to aid centre as flood deaths rise over 900
Residents in the Indonesian region of Aceh Tamiang climbed over slippery logs and walked for about an hour on Saturday to get aid, as the death toll from floods and landslides that hit Sumatra island this month rose to more than 900 people.
