Police officers stand guard outside the Hong Kong Convention and Exhibition Centre where voting for the chief executive election takes place, Hong Kong, May 8, 2022. (EDMOND TANG / CHINA DAILY)

HONG KONG - Security was tightened at the main polling station at the Hong Kong Convention and Exhibition Centre in Wan Chai as Hong Kong held the sixth-term chief executive election on Sunday.

This is the first chief executive election since the improvement of the city's electoral system.Police vehicles are deployed to guard the Hong Kong Convention and Exhibition Centre where voting for the chief executive election takes place, Hong Kong, May 8, 2022. (EDMOND TANG / CHINA DAILY)

Police officers stand guard in the vicinity of the Hong Kong Convention and Exhibition Centre where voting for the chief executive election takes place, Hong Kong, May 8, 2022. (EDMOND TANG / CHINA DAILY)

Police officers stand guard outside the Hong Kong Convention and Exhibition Centre where voting for the chief executive election takes place, Hong Kong, May 8, 2022. (EDMOND TANG / CHINA DAILY)

Police vehicles are deployed to guard the Hong Kong Convention and Exhibition Centre where voting for the chief executive election takes place, Hong Kong, May 8, 2022. (EDMOND TANG / CHINA DAILY)