Due to a technical issue with the air conditioning system and the subsequent occurrence of hazardous smoke in Terminal 1, passenger check-in and processing were temporarily suspended during the night. Firefighters responded to an incident in Terminal 1. There is currently no danger, passenger processing have been fully resumed, and the airport has returned to normal operations. However, this incident may result in some delays to flight processing. We apologize to passengers for the inconvenience and thank them for their understanding.