One person has died and about 300 homes and buildings have been destroyed in bushfires across south-east Australia. Human remains were found in Gobur near Longwood in Victoria, and the victim has not been identified. Victoria declared a state of emergency as thousands of firefighters and more than 70 aircraft fought dozens of fires, and residents in more than a dozen communities were advised to leave. Victoria’s premier said 30 active fires were burning across the state and 350,000 hectares had burned as of 08:00 local time on Sunday, while smoke affected air quality including in metropolitan Melbourne.