2019 Hong Kong Polytechnic University campus conflict

The 2019 Hong Kong Polytechnic University campus conflict, also referred to as the siege of the Hong Kong Polytechnic University or simply the PolyU Siege, occurred from 17 to 29 November 2019 on the campus of the Hong Kong Polytechnic University (PolyU), during the 2019–2020 Hong Kong protests. The event was preceded by a similar conflict at the Chinese University of Hong Kong.