Malcolm Turnbull accuses John Barilaro of ‘gaslighting’ with claim air quality data is manipulated

Former PM says NSW deputy premier and One Nation's Mark Latham are treating the people of the Hunter Valley with complete contempt'

Former prime minister Malcolm Turnbull has accused John Barilaro of gaslighting" the people of the Hunter Valley after the New South Wales deputy premier claimed air quality data had been manipulated by environmental groups.

Barilaro had claimed on Tuesday that concerns about poor air quality caused by coalmining in the region were exaggerated by environmental groups who manipulate the data to suit their argument".