Demonstrators paralyzed traffic during an annual pro-democracy march in Hong Kong Friday, then police arrested 228 of the marchers, BNO News reported.

The protesters were charged with illegal gathering, as well as obstruction of public places in the city’s center. The demonstration began Friday and continued through the night, with protesters refusing to leave.

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One of the arrested was legislator Albert Chan, who said that police had used unnecessary force and pepper spray, wounding at least one protester. The police say that they used minimal force.

The protesters are being released on bail in stages.

China this year celebrates its 90th year of communism.