Australian men Jack Couranz and Mark Gabbedy were in the group kidnapped in Nigeria.

Australians kidnapped in Nigeria ambush: PM

Nigeria: Prime Minister Malcolm Turnbull has confirmed three Australian citizens and one resident are among a group of people kidnapped in a fatal ambush on their vehicle in south-east Nigeria.

A rise in renewable energy helps to destabilise power market prices.

Renewables rain on power's parade

The surge in renewable energy has left households with whipsawing electricity bills as power companies push through a round of steep price rises.

The Arrium plant in Whyalla, South Australia.

Labor's $100m bailout for steelmaker

Labor would stump up $100 million to bail out struggling South Australian steelmaker Arrium if elected, pledging it will not allow the local steel industry to die.