Group 1 - The core incident involved a cargo plane from Dubai that crashed into the sea after landing at Hong Kong International Airport, resulting in the death of two ground staff members [1][2] - The accident occurred at 3:50 AM on October 20, with the aircraft deviating from the runway and sliding into the water [1] - Following the incident, the northern runway of the airport was closed, while the southern and middle runways continued operations [2] Group 2 - The Hong Kong Civil Aviation Department is closely monitoring the situation and is in communication with relevant airport authorities and airlines [2] - An investigation into the cause of the accident has been initiated, with the Civil Aviation Department cooperating fully with the aviation accident investigation agency [2]