Today14:52 BSTIncident under investigationThe incident is being investigated by authorities, according to German newspaper Frankfurter Rundschau. Technicians and support staff are reportedly on site.Today14:44 BSTWhen did the incident occur?Lufthansa confirmed an "incident" occurred at Frankfurt Airport, the largest airport in Germany, at around 12.45pm CEST (11.45am BST).An image shows the nose of the plane on the runway(Image: @flightradar24/x)Today14:40 BSTLufthansa plane nosedives onto runwayA spokesperson told the dpa news agency: "The aircraft's nose landing gear unexpectedly folded in while parked." The aircraft was flight number LH450 and was scheduled to fly to Los Angeles."At the time of the incident, crew and ground staff were on board. Passengers had not yet boarded. Several employees were injured and are currently receiving medical treatment," they added.