This photo shows staff members registering persons subject to compulsory testing in the "restricted area" to undergo COVID-19 testing in Kwun Tong on Jan 27, 2022. (PHOTO / HKSAR GOVERNMENT)

HONG KONG – Three COVID-19 cases were found during an overnight compulsory testing operation in Diamond Hill, the government said Sunday. 

In a statement issued on Sunday morning, the government said 883 people underwent tests at Block 2 and Block 3, Bel Air Heights, Diamond Hill and three tested positive for the virus while one had indeterminate results.

The government cordoned off the buildings at 4 pm on Saturday after reviewing several factors, including the viral load in their sewage

The government cordoned off the buildings at 4 pm on Saturday after reviewing several factors, including the viral load in their sewage. 

Government staff members visited 398 households in the are but 90 did not answer the door. The government reminded members of these 90 households to have themselves tested as soon as possible to avoid the spread of the virus.

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Hong Kong recorded 523 new COVID-19 cases on Saturday as the number of infections in the city continued to drop.