Hanoi, Jan. 27 -- Four flights were diverted to alternate airports on January 27 morning after dense fog and low cloud reduced visibility at Noi Bai International Airport in Hanoi, prompting adjustments to flight operations to ensure safety.

As of 9:30am, arrivals and departures had resumed normal operations, although four inbound flights had been redirected elsewhere.

Earlier, several outbound services were temporarily unable to take off, while some incoming flights were placed in holding patterns as crews waited for weather conditions to improve to safe landing standards.

With fog and low cloud forecast to persist over Hanoi, Noi Bai International Airport has advised passengers to stay informed and proactively monitor flight informat...