Australia bushfires: smoke over Sydney - in pictures

Sydney Harbour Bridge and North Sydney CBD shrouded in smoke haze Photograph: Brendon Thorne/Getty Images

Smoke from bushfires fill the sky over the Sydney Harbour Bridge Photograph: James Morgan/EPA

Play during the Ryobi Cup cricket match between the South Australian Redbacks and the Western Australia Warriors at Drummoyne Oval in Sydney Photograph: Mark Metcalfe/Getty Images

The sun appears bright red above Sydney Photograph: Richard Milnes/Demotix/Corbis

Huge palls of smoke over the harbour Photograph: James D. Morgan/REX

A blanket of smoke descends on Christison Park near the Macquarie Lighthouse Photograph: Paul Lovelace/REX

A cricketer strides across the pitch during the Ryobi Cup cricket match between the South Australian Redbacks and the Western Australia Warriors at Drummoyne Oval Photograph: Mark Metcalfe/Getty Images

Smoke and ash from bushfires burning across the state of New South Wales blankets the Sydney city skyline Photograph: Greg Wood/AFP/Getty Images

Smoke fills the sky over Sydney CBD Photograph: Brett Hemmings/Getty Images

Sydney harbour shrouded in smoke haze Photograph: Brendon Thorne/Getty Images

Smoke over the ANZAC Bridge Photograph: Brett Hemmings/Getty Images