Three more ministers resign from the cabinet of embattled Australian Prime Minister Malcolm Turnbull, further lowering his chances of continued leadership.

Australian Prime Minister Malcolm Turnbull faces a new leadership challenge at parliament, while also facing mass resignations in his cabinet.

Harry Harris is serve as the new US ambassador to South Korea, Australian Prime Minister Turnbull has confirmed, filling a post that has been vacant for 15 months.

An emergency warning was reissued on Sunday for an out-of-control bushfire that is raging across parts of the Australian city of Sydney.

The Australian prime minister says there are some tensions in relations with China, but no deep chill exits.

An opinion poll shows Australian voters want Malcolm Turnbull to remain prime minister, as he loses in another poll by one of the country's most respected political pollsters.

Prime Minister Turnbull's coalition government has lost its 29th straight Newspoll, putting the leader in a precarious position as his party attempts to push planned corporate tax cuts through parliament.