It was the first use of tear gas in 10 days after a series of mostly peaceful demonstrations in the former British colony
The Airport Authority published a half-page notice in newspapers urging young people to 'love Hong Kong'
China's relentless campaign of vilification against Lai took a particularly nasty turn last week when his name was purged from genealogical records of his family across the border in southern China
Hong Kong is in the grip of an unprecedented political crisis
The academic's warning comes days after Federal Reserve Bank of Boston President Eric Rosengren said Hong Kong's crisis is on his global worry list
Cathay, Hong Kong's flagship airline, has become a symbol of what happens when a company is judged to have crossed China's red lines
China's 1989 crackdown in Beijing's Tiananmen Square saw tanks sent in to end student-led protests, resulting in hundreds if not thousands of deaths
Canada and the EU issued a joint statement on Saturday saying the right of peaceful assembly is enshrined in basic law in Hong Kong
More than 10 weeks of confrontations between police and pro-democracy protesters have plunged Hong Kong into its worst crisis
The tenor of clashes has intensified this week
Sunday will mark the return of mass protests organized by the Civil Human Rights Front
US State Department said it was "deeply concerned" by the apparent troop movements
Chinese state media have said only the exercises had been planned before and were not directly related to the unrest
China struggles with its own regional 'special status' issue
The statement walked back a previous announcement that said all departing flights had been cancelled
The Hong Kong Airport on Monday cancelled flights after protesters stormed in the arrival halls wearing eye patches and bandages opposing a bill that allows extraditions to mainland China
Protesters hurled bricks at officers and ignored warnings to leave the Sham Shui Po area before tear gas was deployed, police said, calling the march an "unauthorized assembly."
'Versace reiterates that we love China deeply, and resolutely respect China's territory and national sovereignty,' the company said in a statement
The protest movement has put a lot of thought into enabling anonymity. Remaining deliberately leaderless and faceless has prevented shutdown by selective arrests of organisers
On Thursday, China demanded that US diplomats based in Hong Kong 'stop interfering' in the city's affairs