The 55 activists are arrested for participating in the primary elections of the pro-democracy party were involved in the crime of subverting state power under Hong Kong national security law. They were all required to report to the police station. Among them, Owen Chow stated on his Facebook page that he was charged with rioting for allegedly participating in storming of the Legislative Council on 1 July 2019, and was detained at the Tsing Yi Police Station. He was released on bail at night.