Strikes at German airline Lufthansa continued to force the cancellation of hundreds of flights on Wednesday amid a wave of disruptive labour disputes in German transport. Cabin crews at Lufthansa pushed forward with a second day of strikes against the airline on Wednesday, this time with Munich-based Lufthansa and Lufthansa CityLine flight attendants going on strike beginning at 4 am (0300 GMT), with the action set to last until 11 pm. Lufthansa estimates that around 400 aircraft would be grounded on Wednesday due to the labour dispute with the cabin crew trade union Ufo, with 50,000 passenger…