[12] However, for over a year on the last day of each month, pro-democracy supporters continued to leave white flowers and bowed as a sign of mourning, until they were stopped by more stringent enforcement of the national security law by police.

[15] Videos showed the police Raptor Squads arriving at Prince Edward station, clubbing and pepper-spraying travellers without arresting them.

then went to Yau Ma Tei station, where the injured passengers were evacuated by medics; bloodied bandages, tissues and umbrellas littered the scene.

An additional three people from the initial Kwun Tong line conflict had been sent to the hospital via Yau Ma Tei station, before the arrival of the officers of the Hong Kong Fire Services Department.

[31] It was also reported that the protesters had vandalised traffic lights and the exits of Mong Kok MTR station, as well as starting a fire on nearby Nathan Road.

[32] On 10 November 2021, a male student of the Hong Kong Academy of Performing Arts pleaded guilty at the District Court to the rioting charges of damaging station property, and threatening passers-by with a cane.

[22] Amnesty International Hong Kong called for an investigation into the police conduct after the Special Tactical Squad stormed Prince Edward station and beat and pepper-sprayed the commuters inside.

[35] The Hong Kong Bar Association accused the police of abusing its power, claiming "Video footage from the Prince Edward MTR station last Saturday night show riot police launching indiscriminate attacks, without any apparent lawful excuse, and using pepper spray on passengers inside a train compartment or hitting them with batons, especially since the officers in question left the train carriage afterwards without making any arrests".

In the CUHK's fifth survey for the whole protest, 52% of interviewees believe the rumour that the police had killed citizens during the 31 August raid in the MTR station.

[37] A day before the second anniversary of the incident, a local reporter said he had received mail containing a large razor blade and an anonymous message that he should keep quiet about 831 to protect his family.