Labour leader Ed Miliband says a future Labour government wouldn't be able to afford to follow Wales and make prescriptions free.
But he told our Political Editor Adrian Masters that he trusts Carwyn Jones' judgement when it comes to the scheme in Wales.
"I think that's a matter for Carwyn - that's his judgement and that's a judgement I totally trust" he said.
"You know, it's different ways of allocating resources".
Shadow Welsh Secretary Owen Smith MP tells Labour's conference that the people of Wales want more decision-making but to remain in the UK
The Shadow Chancellor says it would be up to Welsh Govt to decide how to spend its share of proceeds from the 4G sell-off.
Carwyn Jones addresses delegates at the Labour Party conference, highlighting differences between Welsh Labour and the UK Government.