Large amounts of snow and strong winds in southern Scandinavia have led to chaos, traffic gridlock and a halt to some transportation on Wednesday morning, the NTB agency reported. In several cities in south-east Norway – including the capital Oslo – all bus services were halted. Several schools in the area were also closed because pupils and teachers were unable to reach them due to the difficult weather conditions. At Oslo Airport, air traffic was temporarily cancelled in the early afternoon, the operator confirmed to the radio station NRK. In the south of Sweden train services were cancelled…