Hong Kong protests: elderly and infirm forced off trains as travel chaos returns to city and police fire tear gas in early clashes

• Train services disrupted on serveral lines, forcing passengers to walk alongside tracks in some cases
• Earlier police fired tear gas at City University campus in Kowloon Tong

Hong Kong's radical protesters have vowed to stage yet another campaign of citywide traffic disruption on Tuesday morning, after their actions on Monday sparked one of the most violent days of the anti-government movement, which is now entering its sixth month.

Monday's protests " in which they set up roadblocks on major thoroughfares, hurled objects onto train tracks and splashed buses with paint " paralysed roads and forced the closure of more than 20 railway stations throughout the day.

Also on Monday, a police officer shot a protester at close range, while a man was set on fire by protesters in what police have said was attempted murder.

Protesters have argued their actions would increase pressure on the government, but the city's leader Carrie Lam Cheng Yuet-ngor made it clear on Monday that it would be "wishful thinking" to believe the violence would force her administration to give in.

Follow our live coverage as the events unfold. Reporting by Sum Lok-kei, Lilian Cheng, Kathleen Magramo, Chan Ho-him, Karen Zhang and Phila Siu

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