Hong Kong activist Agnes Chow Ting on Monday pleaded guilty to a count of inciting others to knowingly take part in an unauthorized assembly and knowingly taking part in an unauthorized assembly, TVB reported.

Chow pleaded guilty as the case against her and two other Hong Kong activists, Joshua Wong Chi-fung and Ivan Lam Long-yin, charged for their involvement in besieging the police headquarters in Wan Chai on June 21 last year, came before Eastern Magistrates' Courts.

Joshua Wong and Ivan Lam denied the charges.