The Chief Secretary for Administration, Mr Matthew Cheung Kin-chung, attended the Conference on Safeguarding Children&#39;s Best Interests today (September 8). Photo shows Mr Cheung (second left); the Associate Professor of the University of Hong Kong&#39;s Centre for Comparative and Public Law, Ms Puja Kapai (first left); the Chief Executive Officer of the Plan International Hong Kong, Dr Kanie Siu (first right); and Board Member of the Plan International Hong Kong, Dr Darwin Chen (second right).