German airports have cancelled more than 600 flights because of a strike by security staff in a pay dispute.
The strike centres on airports in western Germany: Düsseldorf (the country's third-largest), Cologne-Bonn and Stuttgart.
German airports have cancelled more than 600 flights because of a strike by security staff in a pay dispute.
The strike centres on airports in western Germany: Düsseldorf (the country's third-largest), Cologne-Bonn and Stuttgart.