Yuen Long District Councilor Huang Weixian testified in court, stating that during his tenure he had always been aware that some village affairs or village heads had triad backgrounds, and that after 1997 there were still triad leaders serving concurrently.
A large number of people dressed in white in Yuen Long used violent indiscriminate attacks on anti‑extradition bill protesters and citizens, and the police were accused of responding slowly and failing to intervene in time.
On the evening of July 21, 2019, large groups of men dressed in white and armed with weapons attacked protesters, journalists and residents inside and around Hong Kong's Yuen Long MTR station, and the police were accused of colluding with the triads.
Li Jiyi, head of the New Territories Work Department of the Chinese Liaison Office, spoke at the inauguration ceremony of the Shiba Xiang Township Committee, urging Yuen Long residents to maintain social stability and not allowing demonstrators to enter Yuen Long to cause trouble.