Flight cancellations at Hamburg Airport after a surprise strike by workers have affected more than 40,000 passengers.

The airport in Germany’s second largest city said the one-day strike, called over pay and conditions, began earlier than expected “without any notice.”

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A one-day strike by workers at 13 German airports, including the Frankfurt and Munich hubs and all the country’s other main destinations, has caused the cancelation of most flights.

A strike at Germany's Hamburg Airport has left all outgoing flights cancelled Monday, with more airports likely to soon be affected.

More than half a million people are facing travel disruption at German airports on Monday where a 24-hour strike has led to thousands of flight cancellations in a dispute about workers' pay.

Ground staff walked out "without prior notice," hours before a 24-hour strike was due to begin at a dozen German airports.

More than half a million people are facing travel disruption at German airports on Monday where a 24-hour strike has led to thousands of flight cancellations in a dispute about workers’ pay.

The 24-hour walkout, which started at midnight on Sunday, involves public-sector employees at the airports as well as ground and security staff.

Air travel at 13 German airports came to a standstill during a 24-hour strike.

The uncertainty surrounding the resumption of flights adds a layer of tension for the tourism industry, which heavily relies on air connectivity to sustain its recovery post-pandemic.