Donald Trump's planned seawall at Doonbeg labelled 'naïve, unsustainable and outdated'

Donald Trump's plans for a wall - this time to keep out the sea in Co. Clare - has been branded naive, monstrous and unsustainable.

Surfers and environmentalists in Ireland have teamed up in the fight against the would-be US president's bid for a 2.8km rock barrier in erosion-hit dunes beside his renowned Doonbeg golf links there.