A German trade union is threatening industrial action which would result in empty cash machines and no cash service for shops in the run-up to Christmas. The dispute in the German cash and valuables transport industry involves members of the verdi union, who could go on strike as early as Wednesday if a compromise with employers is not reached by Tuesday. Negotiators are meeting at Frankfurt Airport to try to find a solution to the protracted wage dispute for around 10,000 employees. Germany’s A