One-day warning strikes are leading to flight cancellations in the Cologne Bonn and Düsseldorf airports starting Sunday evening.

In Cologne Bonn airport, the strike is scheduled to start at 9.30pm on Sunday, 23 February. 75 of 168 flights that take place on Monday evening have since been cancelled.

In the Düsseldorf airport, the strike will begin at 3am Monday morning.