Hong Kong veteran activist Koo Sze-yiu has been convicted of attempting to commit seditious acts in connection with a planned demonstration against the 2022 Winter Olympics in Beijing in February. Principal Magistrate Peter Law on Tuesday found the pro-democracy activist guilty of breaching the colonial-era sedition law by planning a protest outside China’s liaison office in the city on February 4, when the multi-sport event opened in Beijing. The demonstration was thwarted by police when officers from the National Security Department detained Koo hours before it was set to take place. He was …