Emergency services respond at Christchurch Airport after an Air New Zealand flight is diverted to the airport, according to reports from multiple outlets. Visual accounts describe emergency vehicles and responders operating on or near the runway as the aircraft lands under diversion procedures. The diversion follows the flight’s departure from Queenstown, with the aircraft rerouted to Christchurch for reasons that are not specified in the available reports. Local coverage indicates the situation prompts an airport emergency response activity on the runway area, suggesting coordination with airline and airport procedures. No information is provided in the excerpts about passenger injuries, aircraft damage, or the cause of the diversion. The reporting focuses on the presence and activity of emergency services at the airport during the incident response. Further details, including official statements and confirmation of the flight number, are not included in the supplied summaries. Overall, the sources agree that an Air New Zealand flight arriving from Queenstown is diverted to Christchurch and triggers an emergency response at the airport.