The move comes as Chancellor Rachel Reeves refuses to rule out tax rises in the autumn budget.
Steve Rotheram believes missteps over winter fuel payments and the government's welfare reform bill have made Downing Street look increasingly chaotic.
They have vowed to 'beat the British Government in court' again.
Controversial group played in Finsbury Park on Saturday evening as a supporting act for Fontaines DC
The pundits and politicos have had their say on Keir Starmer's first year. But there's only one verdict that matters: Yours
A year ago, Keir Starmer penned one of his first articles since becoming Prime Minister. It focused on immigration