Big business has stepped up its campaign in favour of a constitutionally enshrined ‘voice’ for indigenous Australians, with BHP Group chief executive Andrew Mackenzie using a speech in Perth this morning to endorse the proposal.

Big business has stepped up its campaign in favour of a constitutionally enshrined ‘voice’ for indigenous Australians, with BHP Group chief executive Andrew Mackenzie using a speech in Perth this morning to endorse the proposal.