Police said five people were arrested near West Kowloon Court on Thursday for alleged disorderly conduct in public places
Officers said four people, aged between 32 and 68, failed to follow instructions when they entered the court building. They also ignored officers' verbal warnings and chanted.
The force added that they arrested another 32-year-old man after he chanted inside the court area and refused to cooperate with officers.
All five suspects are detained on suspicion of engaging in disorderly conduct in a public place.
Police reminded members of the public to abide by the law and express their views in a peaceful and orderly manner, without undermining national and public security.