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In this July 15, 2020, file photo, pro-democracy activists who were elected from unofficial pro-democracy primaries, including Joshua Wong, left, attend a press conference in Hong Kong. Image Credit: AP

Hong Kong: Dozens of Hong Kong opposition figures were arrested Wednesday under the territory’s new national security law, political parties and a police source confirmed, in the city’s largest operation yet against Beijing’s critics.

Opposition figures and parties took to their Facebook and Twitter accounts to confirm at least 21 arrests, most on a charge of “subversion”.

A senior police source who requested anonymity said “around 50” had been arrested in the operation.