Carwyn Jones told AMs on the Scrutiny of the First Minister Committee that there will inevitably be times when the UK and Welsh Governments disagree about how much power Welsh ministers have. But he said he hoped those occasions would be 'infrequent.'
He was asked by Liberal Democrat AM Eluned Parrott about a recent decision by the UK Attorney General to refer the Welsh Government's first bill to the Supreme Court.
More top news
Euro 2016 fans are having a whip-round for Dean Saunders' hefty short-stay parking bill - because he didn't think Wales would get this far.
As Wales prepare to meet Belgium on Friday we take a look back at how the two teams have stacked up against each other over the years.
Police officers who deliberately hit and killed a loose dog on the A55 were justified in their actions, an independent review has found.