Baroness Tanni-Grey Thompson told ITV's Daybreak that "disabled people are being targeted" by the Government's so-called 'bedroom tax'.
She said: "Some of these changes are very, very painful, because they [disabled people] are not just going to be hit by this."
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Chancellor George Osborne will seek to reassure financial markets on Monday morning following Britain's decision to leave the EU.
In his first outing since the referendum result, the lead Leave campaigner has outlined his vision for a post-Brexit Britain.
Becoming fresher, unsettled with rain at times as the week goes on.