The organiser of a hot-air balloon festival in Hong Kong is facing mounting calls for refunds from affected participants and the consumer watchdog after failing to secure a licence for tethered rides and suspending the activity on Thursday. Staff from the AIA International Hot Air Balloon Fest Hong Kong were also forced to deflate all its balloons on display at the Central Harbourfront on Friday morning, with a broadcast announcement citing hot weather as the reason. The balloons were...