The German airline Lufthansa has been hit by another 24 hour strike.

It's the latest in a series of walkouts over retirement benefits.

A German court has refused to declare the strikes illegal even though the transport minister says they're killing the economy.

Al Jazeera's Simon McGregor-Wood reports from Frankfurt.

Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish
Find us on Facebook https://www.facebook.com/aljazeera
Check our website: http://www.aljazeera.com/