Freezing rain, heavy snowfall and black ice caused chaos in parts of Germany on Wednesday, forcing numerous travel disruptions including the temporary halting of air traffic at Frankfurt Airport. The winter weather particularly affected parts of southern and central Germany, with school in parts of the country cancelled due to icy conditions. The German Weather Service (DWD) warned of an extreme risk of black ice in the south-west and widespread black ice in the southern half of the country on Wednesday, urging people not to drive and remain at home. Heavy snowfall was forecast for the west an…