Former inmate Ben Gunn spent more than 30 years in prison, speaking to Daybreak he asked whether the Government's plans would reduce crime or "be vicious to prisoners for no particular reason?"
He said: "If we have money to spend on uniforms for the first two weeks that's 85,000 uniforms, that's not cheap, why not invest that money in work, and training, or education?"
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The star celebrated his 70th birthday with his family before attending a celebrity-filled bash held in his honour.
Douglas Carswell told ITV's Peston On Sunday he wanted to "support" the government as a "critical friend" but refused to rule out a return.
Several of victims had life-threatening injuries, police said.