Sydney's air quality plummeted on Tuesday as a thick blanket of bushfire smoke clogged the city.
The haze has left the city as the 14th worst in the world on the World Air Quality Index.
A warning for severe fire danger has been issued, as temperatures soared to 37 degrees Celsius in the city's west.
Residents have also been advised to stay indoors, with the New South Wales Ambulance service emphasising that those with respiratory issues should "take extra care".
Iran confirms death of security chief Larijani
Iran has confirmed the death of senior political figure Ali Larijani, a key member of the country’s security establishment, amid ongoing regional conflict.
Trump says NATO's refusal to help on Iran is 'very foolish'
President Donald Trump on Tuesday said the United States had been informed by most of its NATO allies that they did not want to get involved with the country's military operation in Iran, a move he described as a "very foolish mistake".
US National Counterterrorism Center director resigns over war in Iran
The head of the National Counterterrorism Center Joseph Kent resigned on Tuesday, becoming the first and most senior member of US President Donald Trump's administration to resign over the war in Iran, saying Tehran posed no imminent threat to the United States.
France will never take part in operations to unblock Hormuz Strait, says Macron
President Emmanuel Macron said on Tuesday France would never take part in operations to unblock the Strait of Hormuz, pushing back on comments by U.S. President Donald Trump that Paris was willing to help.
Iran rejects de-escalation offers; Israel says it kills Iranian security chief
Israel claimed on Tuesday to have killed Iran's security chief, while a senior Iranian official said the new supreme leader had rejected de-escalation offers conveyed by intermediaries.
