Australia’s most populous state declares wildfire emergency

Rural Fire Service crew monitor a number of homes along the Old Hume Highway near the town of Tahmoor, New South Wales, as the Green Wattle Creek Fire threatens a number of communities in the southwest of Sydney. (Dean Lewins/AAP Images via AP)

PERTH, Australia — Australia’s most populous state of New South Wales declared a seven-day state of emergency Thursday as oppressive conditions fanned around 100 wildfires.