A Hong Kong court has denied bail to veteran pro-democracy activist Koo Sze-yiu, who is facing charges of attempting to commit a seditious act. Koo was arrested by national security police early on Friday morning ahead of a planned demonstration against the Winter Olympics. The 75-year-old appeared at the West Kowloon Magistrates’ Courts on Saturday. He will remain in custody until his trial in April. Acting chief magistrate and designated national security judge Peter Law cited Koo’s record of participating in political demonstrations. After his charge was read out, Koo, who represented himse…