One was among seven prominent opposition politicians arrested early on Sunday on charges relating to the obstruction of the Legislative Council meeting in May.

Police said six men and one woman had been arrested under the group included current on former lawmakers, you know.

The seven were later released on bail, and several of them appeared at a media briefing in which one of the detained chairman of the Democratic Party, Woochi Y, described the incident as absurd and intended to create a chilling effect to make people more cautious with their words and actions.

The move comes four months after Beijing imposed a contentious national security law that has seen some activists flee for safe havens overseas.

The arrests did not appear to be linked to that law, widely condemned by Western governments and human rights groups, which punishes what Beijing defines a succession sedition, terrorism and collusion with foreign forces.