Commissioner of Police Siu Chak-yee today tested positive for COVID-19 through a rapid antigen test (RAT) and a subsequent polymerase chain reaction-based nucleic acid test.

He is undergoing isolation in accordance with the Centre for Health Protection's guidelines.

Mr Siu last went to work on November 17. He wore masks and followed relevant disease prevention measures at work, including taking a RAT daily.

Police have conducted thorough cleaning and disinfection operations at the office concerned.

Mr Siu was earlier confirmed to have contracted COVID-19 in August and had fully recovered afterwards.

He attended the Disciplined Services Tennis Tournament yesterday and joined other participating officials in a tea break after the prize presentation ceremony.

Secretary for Security Tang Ping-keung, Commissioner of Customs & Excise Louise Ho, Commissioner of Correctional Services Wong Kwok-hing and Director of Fire Services Andy Yeung are identified as close contacts.

They are undergoing home quarantine but tested negative by RAT today.

The relevant officials had made acting arrangements. Operations of the departments will not be affected.