Video has emerged of swarms of Portuguese men O'War jellyfish lining a Cornwall beach, driven ashore by the heavy winds that are battering the English and Irish coast.

Portuguese men O'War jellyfish lines the beach at Porthcurno on the south coast of Cornwall.

In the video, storm watchers and dog walkers struggle through blizzards of sand in the high winds, with conditions set to deteriorate throughout the day.

++CLIENTS PLEASE NOTE: THIS VIDEO HAS BEEN LOOPED++