Hong Kong has banned local airliners from coming to Hong Kong since July 1 on Britain's implementation of the "circuit breaker mechanism" for regional flights

The government of the Hong Kong Special Administrative Region announced on June 28 that it would implement a "circuit breaker" mechanism for regional flights in the United Kingdom, banning all civil aircraft from landing in Hong Kong from 0:00 a.m. (Hong Kong time) on July 1. At the same time, the SAR government lists the United Kingdom as a high-risk designated area, and restricts people who have stayed in the area for more than two hours to board any incoming civil aircraft, so as to prevent people from the relevant areas from connecting to Hong Kong.

Under the "circuit breaker mechanism" of regional flights, all civil aircraft arriving from the same region, regardless of any airline, if five or more passengers are confirmed to have n501y mutant virus strain or related virus variant within 7 days after arrival, Or 10 or more passengers are confirmed to have n501y mutant virus strain or related virus variant after any tests (including tests during quarantine period) within 7 days. The government will prohibit all civil aircraft coming to Hong Kong from landing in Hong Kong by invoking the prevention and control of diseases (regulation of cross border means of transport and arrivals) Regulation (cap. 599h), It also lists the relevant areas as high-risk designated areas, and restricts people who have stayed in the area for more than two hours to board any incoming civil aircraft, so as to prevent people from connecting to Hong Kong.