Hundreds of eager visitors queued up overnight for the opening of the Hong Kong Book Fair on Wednesday, but some slammed organisers for chaotic crowd control. The primary draw for many in the overnight queue outside the Convention and Exhibition Centre was an autograph session with popular local Cantopop girl group Collar, but the queue system sparked heavy criticism. Among the frustrated early birds was Lucas Wong, a 15-year-old student who arrived at around 2am in the hopes of buying the girl...