Killer whale lost in France's River Seine found dead

A killer whale stranded for weeks in France's River Seine was found dead Monday after attempts to guide it back to sea failed and revealed it was severely sick, local authorities said.

Regional officials had already decided to euthanise the killer whale - also known as an orca - to end its suffering, but a sailor spotted the animal lying on its side Monday morning.

Sea Shepherd France, who went out to the a