Scientists identify glue-like substance

Scientists believe they've finally identified the mystery substance which was found on hundreds of birds washed up along the South West coast.

Many of them were taken to a rescue centre in Somerset where volunteers have spent almost a week trying to save them.

Tamsin Eames reports:

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Birds released after clean-up

Some of the seabirds washed up on the Dorset coast covered in an oil-type substance have been released back into the wild today.