Top Beijing official tells Hong Kong’s John Lee to ‘nip’ national security risks in the bud, warns of ‘destructive forces’ in city

• Xia Baolong tells Hong Kong’s leader to handle any national security risks by ‘nipping them in the bud’ and urges him to work on risk management
• Political commentator warns city’s status as international finance centre makes it ‘more exposed’ than China to national security risks posed by Western countries