How should a ground operator respond if they observe a fuel leak originating from an aircraft wing during ground operations?

If a ground operator observes a fuel leak originating from an aircraft wing during ground operations, immediate and decisive action is required to mitigate the fire hazard and potential environmental damage. The very first step is to immediately stop all operations in the vicinity of the aircraft. This includes stopping any fueling, baggage handling, or pushback activities. Simultaneously, alert the flight crew and airport emergency services, providing them with specific details about the leak, including its location, estimated flow rate, and the type of fuel. Immediately establish a safety perimeter around the aircraft to prevent unauthorize....