Society Unknown man calls Vietnam Airlines, threatens to shoot down plane heading to Hà Nội from Japan
Society Hà Nội no longer requires passengers from Omicron-hit countries to stay in centralised quarantine
Society Hà Nội, HCM City's Omicron response plan criticised for obstructing planned resumption of int'l flights
Society Airlines ready, quarantine policies still being fine-tuned as resumption of int'l flights nears