Is the world already at war? The death of an animal suspected of espionage suggests that Russia is increasing hostile operations against the West.
Whale shot as global spy wars heat up
Crime scene: Hvaldimir, a beluga whale believed to be a former Russian spy has been found shot dead wearing a harness marked with "Equipment St Petersburg". Glossary
Refrain - A repeated line or phrase in a song or poem, often forming the memorable part; and a verb meaning to deliberately stop yourself from doing something.
Cold War - A period of diplomatic conflict between blocs led by the USA and the USSR that lasted from 1947 until 1991, when the USSR collapsed.