Omicron: testing ordered for 35,000 residents at Hong Kong public housing estate as outbreak jumps fivefold to 105 cases

• ‘Exponential’ surge in infections forces authorities to lock down a second building at Kwai Chung Estate for five days and four others overnight
• Residents at remaining 10 blocks to be screened, while Hong Kong leader Carrie Lam warns social-distancing measures expected to remain in place past Lunar New Year