have their children be schooled with emphasis on independent critical thinking. More than 89,000 Hongkongers left the city in a year after the national security law was imposed, and the city witnessed a record 1.2% drop in population. Schools were shrinking as parents feared "brainwashing" "patriotic" education be implemented, and tens of thousands applied for British National (Overseas) visas after the UK government unveiled a new immigration path for passport holders. Clashes between protesters and counter-protesters Clashes between protesters and counter-protesters had become more frequent since the movement began in June 2019. During a pro-police rally on 30 June, their supporters began directing profanities at their opposition counterparts and destroyed their Lennon Wall and the memorial for Marco Leung, leading to intense confrontations between the two camps. Pro-Beijing citizens, wearing "I love HK police" T-shirts and waving the Chinese national flag, assaulted people perceived to be protesters on 14 September in Fortress Hill. Lennon Walls became sites of conflict between the two camps, with pro-Beijing citizens attempting to tear down the messages or removing poster art. Some protesters and pedestrians were beaten and attacked with knives near Lennon Walls by a single perpetrator or by suspected gang members. A reporter was stabbed and a teenager distributing pro-protest leaflets had his abdomen slashed. Owners of small businesses seen to be supportive of the protests and their employees have been assaulted in suspected politically motivated attacks and their businesses vandalised. Some civilians rammed their cars into crowds of protesters or the barricades they set up. In one instance, a female protester suffered severe thigh fractures. Protest organisers, including Jimmy Sham from the CHRF, and pro-democratic lawmakers such as Roy Kwong were assaulted and attacked. On 3 November, politician Andrew Chiu had his ear bitten off by a Chinese mainlander who had reportedly knifed three other people outside Cityplaza. Meanwhile, pro-Beijing lawmaker Junius Ho was stabbed and his parents' grave was desecrated. The 2019 Yuen Long attack occurred following a mass protest organised by the CHRF on 21 July. Suspected gangsters vowed that they would "defend" their "homeland" and warned all anti-extradition bill protesters not to set foot in Yuen Long. The perpetrators attacked people on Fung Yau Street North in Yuen Long before entering Yuen Long station, where they indiscriminately attacked commuters in the concourse and on the platform, as well as inside train compartments, resulting in a widespread backlash from the