At Schiphol's twitter account at the airport, it is written that the Dutch police are currently investigating a situation on board an aircraft at the airport.

"We are currently investigating a special incident and that is all we can say," says Alfred Ellwanger, press spokesman at the police in the Netherlands to SVT News.

An ambulance helicopter is on its way to the scene, reports Dutch media. One of the airport's terminals has been closed, reports Algemeen Dagblad.

The text is updated.