Key Facts
- Duration
- 17–29 November 2019 (12 days)
- Tear gas canisters (18 Nov)
- 1,458
- Rubber bullets fired (18 Nov)
- 1,391
- Bean bag rounds fired (18 Nov)
- 325
- Sponge grenades fired (18 Nov)
- 256
Strategic Narrative Overview
Police encircled the campus, sealing exits and preventing protesters from leaving, while deploying tear gas, water cannons laced with blue dye and chemical irritants, rubber bullets, bean bag rounds, and sponge grenades. Protesters retaliated with petrol bombs and bricks, disabling an armoured police vehicle. On 19 November, Hong Kong hospitals were overwhelmed by casualties and urged the public to avoid emergency rooms. Police also arrested individuals claiming to be journalists, first-aiders, and medical volunteers.
01 / The Origins
The siege grew out of the broader 2019–2020 Hong Kong protests against proposed extradition legislation and perceived erosion of civil liberties. Protesters established a roadblock at the Cross-Harbour Tunnel adjacent to Hong Kong Polytechnic University. The Hong Kong Police Force moved to dismantle the blockade, prompting demonstrators to occupy the campus as a defensive base, escalating a localised standoff into one of the most intense confrontations of the protest movement.
03 / The Outcome
The siege concluded by 29 November 2019. Hundreds of protesters were arrested, while some escaped through sewers and other routes before the cordon tightened. The event drew widespread international condemnation and intensified scrutiny of police tactics. The conflict hardened divisions between the Hong Kong government and the protest movement, contributing to the eventual enactment of the national security law in June 2020.
Belligerents & Mobilization Analysis
Side A
1 belligerent
Side B
1 belligerent
Kinetic Engagement Axis
Scroll horizontally to view full axis. Events plotted relatively.