SNP and Plaid Cymru unite against employers' National Insurance tax hike - Plaid Cymru attack Morgan over how Wales is funded - Plaid Cymru send message to Scottish independence supporters - Plaid Cymru delight at 'terrific' target seat wins - Labour offering 'austerity painted red', says Plaid Cymru at manifesto launch - Wales should get PS4bn HS2 compensation - Plaid Cymru - Greens and Plaid Cymru pledge to push Labour on climate, housing and poverty - Plaid Cymru only party putting Wales first - leader - 'No more' ignoring Wales in Westminster, Plaid Cymru says - UK politics: Vaughan Gething says Plaid Cymru 'walked away from opportunity to deliver for Wales' as it ends cooperation agreement - as it happened