Australian: AT least 19 people have died, power has been cut to hundreds of thousands of homes and city transport systems have been brought to their knees as a record-setting heatwave continues to bake much of southeast Australia. As the mercury climbed to 43.1C in Adelaide and a near-record 45.1C in Melbourne yesterday, bushfires cut blackened swaths through eastern Victoria. At least 11 homes were destroyed at Boolarra North, southeast of Melbourne, as the state experienced its third …