Senior Australian of the year Tom Calma ‘disappointed’ at Lidia Thorpe’s intentions to oppose voice

Co-chair of Indigenous voice to parliament co-design group says proposed body is ‘first step’ to First Nations contributions to policymakingFollow our Australia news live blog for the latest updatesGet our morning and afternoon news emails, free app or daily news podcastThe newly minted senior Australian of the year and co-chair of the Indigenous voice co-design group, Tom Calma, says he feels “a bit offended” by Greens senator Lidia Thorpe’s decision to telegraph opposition to the advisory body.Calma told the ABC on Thursday establishing the voice to parliament was a critical step in maintaining progress on a range of fronts, so he was “disappointed” Thorpe had signalled that she would oppose the reform unless Labor provided “guarantees” that First Nations sovereignty would not be not ceded.Sign up for Guardian Australia’s free morning and afternoon email newsletters for your daily news roundup