Andrew Kaye is one of the authors of 'The Tipping Point' report into how proposed welfare reforms could affect disabled people.
He says he acknowledges that changes must be made to help the economy, but believes those changes should not be aimed at 'those hardest hit'.
The UK Government says the reforms will mean money is better spent on supporting disabled people.
More top news
Path is closed near caravan park and a diversion is set-up through Rhoose.
Ukip Welsh Assembly Member Mark Reckless says rural communities must not lose out as a result of Brexit.
ITV Cymru Wales tonight launches Welsh Horse Power, a new series looking at life in four of the most prominent racing stables in Wales.