Hong Kong (AFP) - Police in Hong Kong carried out a sweeping operation against high-profile democracy campaigners on Saturday, arresting 15 activists on charges related to massive protests that rocked the Asian financial hub last year.Among those targeted was media tycoon Jimmy Lai, 72, founder of anti-establishment newspaper Apple Daily, who was arrested at his home.The group also included former lawmakers Martin Lee, Margaret Ng, Albert Ho, Leung Kwok-hung, Au Nok-hin and current lawmaker Leung Yiu-chung. They are accused of organising and taking part in unlawful assemblies in August and Oct...