Yorkshire coast mass wildlife stranding: Why did it happen and what happens next?

A dead ray on the beach at FraisthorpeA dead ray on the beach at Fraisthorpe
A dead ray on the beach at Fraisthorpe
Millions of dead sea creatures have been left strewn across the beaches of Holderness after a 'once-in-a-decade' freak weather event.

The whole of the North Sea coast has been affected, and in Yorkshire Fraisthorpe Beach, near Bridlington, seems to be the epicentre of the mass stranding.