Aerial footage shows the birds and mammals hunting down a school of fish in the Pacific Ocean.

Japan's Fukui prefecture has seen a rise in dolphin attacks for the third straight year.

Northumbria Police says it is working to establish if any criminal offences have been committed.

A dolphin is found dead on the bank of the Thames in Battersea and another in Greenwich.

A marine life charity says to see dolphins in the London stretch of the Thames is "something else".

British Divers Marine Life Rescue say locals did an "incredible job" of administering first aid until medics arrived.

One pod of 40 was among the biggest seen in the area over the past year, experts have said.

Ben Felton and his friend Nick Woods are joined by the small pod of dolphins.