“Rydyn ni wedi cyrraedd cam allweddol ym mhroses Brexit ac mae’r neges gan Lywodraeth Cymru yn glir, mae Brexit heb gytundeb yn gwbl annerbyniol a rhaid ei ddiystyru fel opsiwn.
“We are at a critical point in the Brexit process and the message from the Welsh Government is clear, a no-deal Brexit is wholly unacceptable and must be ruled out as an option.