Aviation security forces are also on strike in Cologne-Bonn. No advance warning was given because the airport operator had used its own people as strikebreakers in similar actions in the past, says Verdi official.

Employees of the parcel shipper UPS have joined the warning strike, which is scheduled to last until midnight today. The strikers are accompanying another warning strike by Lufthansa ground staff, scheduled toLast until Saturday morning. The strikes were initially limited to Frankfurt and Hamburg, but are now extended to Cologne/Bonn Airport.