The prime minister has defended his approach towards working with Welsh and Scottish governments a day after a leaked memo sparked accusations he was undermining devolution. On Tuesday it emerged Sir Keir Starmer told members of his cabinet in December to be prepared to take decisions and spend cash across the UK's nations even if it was against the wishes of devolved governments. In the Commons on Wednesday Sir Keir said he would make no apologies "for spending more money in Scotland or in Wales to improve people's lives". The UK government said it is "fully committed to devolution and continue to work in genuine partnership with devolved governments". The memo has sparked anger from the backbenches of Wales' parliament, with two Welsh Labour Members of the Senedd (MS) criticising its contents, and one suggesting the post of Welsh secretary within the UK government should be scrapped.…