The RSPB says around 400 birds in total have been rescued from along the south coast but experts are still trying to detmenine exactly what caused the pollution incident.
The charity says it highlights the need for sea birds to be given formal protection in marine conservation zones. Richard lawrence reports.
More top news
Bob Crampton has the latest weather forecast.
Carclaze Community Primary School is ditching many chairs and desks for hay bales and beanbags, and letting children write on the floor.
No more cuts to Devon and Cornwall Police and more money for West Country schools: two promises made by the Chancellor today.