A working is named animal of the year for hunting out an invasive marine creature, the carpet sea squirt.

Chemicals from firewater runoff entered a brook and spread downstream where dead fish and eels were later found, the Environment Agency has confirmed.

Conservative leader Kemi Badenoch has urged the prime minister to stop "faffing about" with the North Sea oil and gas fields.

The mission aims to protect the base which is home to the world’s southernmost Post Office.