by Maddison Connaughton SYDNEY, Australia (AFP) — Emergency services ordered some Sydney residents to prepare to flee Wednesday as heavy rainfall barrelled down Australia’s east coast, burying towns in floodwater, killing 13 and putting hundreds of thousands at risk. A week-long torrential downpour has swollen rivers and reservoirs past bursting point, causing chaos in an area 800 kilometres (500 miles) long. From Brisbane to Sydney, more than 30 evacuation warnings are in place and several […]