Why Australian PM had to apologise over bushfires

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Scott Morrison, the Australian prime minister, has returned home from a holiday to Hawaii, and apologised for leaving, after two firefighters tackling the historic bushfires were killed. The fires have been menacing communities in New South Wales for weeks, and fire crews in South Australia are also battling blazes. Phil Mercer reports from Australia. (Photo: Bushfires in Australia. Credit: Getty Images)