Strong winds stoked more than 100 fires across Australia’s east coast on Tuesday, blanketing Sydney in hazardous smoke and prompting health warnings for the country’s most populous city. Australia is prone to bushfires in its dry, hot summers, but fierce blazes have been sparked early, in the southern spring, by a long drought and soaring temperatures. Wildfires have so far this month claimed at least four lives, burnt about 2.5 million acres (1 million hectares) of farmland and bush and destroyed more than 300 homes. Powerful winds fanned around 130 fires that have been burning across New South Wales and Queensland states for several days, and pushed smoke south to form a thick haze over Sydney, home to around 5 million people. Officials said the air quality above parts of the harbor city was measured at 10 times hazardous levels on Tuesday and advised people to […]