MEPs Nathan Gill and James Wells believe the House of Commons will block a no-deal Brexit.Read more
BBC Wales Brexit correspondent
It's been another bad election for both Labour and the Conservatives.
Both parties have lost MEPs to The Brexit Party and the Liberal Democrats, and the Green Party are ahead of the Tories overall.
Northern Ireland elected three female MEPs for the first time, one each for the DUP, Sinn Féin and Alliance.
Results in maps and charts
Full results from across Europe
After 373 of 373 counts complete
Alastair Campbell tells reporters: "I'm still in the Labour Party as far as I'm concerned and I will always be Labour."