All passenger flights were cancelled on Monday at the Leipzig/Halle and Dresden airports in eastern Germany, as the country faces yet another strike in the transport sector. “More than 100 flights are affected at both airports combined,” said a spokesman for the airport operator. The strike comes at an especially bad time, since the two-week school winter holidays started in the state of Saxony, where the airports are located, over the weekend. Holiday plans for thousands of passengers had to be cancelled. Trade union Verdi called on the employees of Mitteldeutsche Flughafen AG to start a 48-h…