China's southern tech hub of Shenzhen said it will adopt tiered anti-virus restriction measures starting on Monday, while the southwestern metropolis of Chengdu announced an extension of lockdown curbs, as the country grapples with fresh outbreaks.
Shenzhen, which went into a weekend lockdown on Saturday, announced a new round of COVID-19 testing, and vowed to "marshal all available resources, mobilise all forces, and take all possible measures" to stamp out the pandemic.
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