The German Train Drivers’ Union (GDL) called for another strike affecting long-distance, regional and freight transport for 24 hours, this one to begin at 2 am (0100 GMT) on Tuesday. The industrial action is to run until 2 am on Wednesday and comes just days after the last strike, when much of the nation’s trains were brought to a standstill in a bitter labour dispute. The union’s announcement on Sunday is set to bring passenger and freight transport to a virtual halt, by now familiar to travellers amid the months-long wage dispute between the GDL and German rail operator Deutsche Bahn. Union …