Reform challenges other parties to cost their policies in heated Welsh election debate 53 minutes ago Mark Palmer, Assistant editor, Wales politics and Adrian Browne, Wales political reporter BBC The ninety minute debate involved the leaders of the six largest parties Reform has challenged all the main parties to publish the full costs of their promises to voters ahead of next week's Senedd election. None of the six larger parties have released full details, with independent analysts criticising the lack of transparency on how manifesto pledges would be funded. Labour's Eluned Morgan and Darren Millar said they were prepared to, while Plaid Cymru's Rhun ap Iorwerth said his party had published "many of the costings". Green Anthony Slaughter said his party had revealed some costings while Liberal Democrat Jane Dodds said she would not as her plans were about "ambition". Meanwhile four party leaders on the left ruled out working with Reform - but not each other.…