LONDON (Kyodo) Environmentalists are hoping the sad tale of a stranded whale in the River Thames will boost their campaign to stop Japan's whaling program.

The errant adolescent northern bottlenose whale swam into the shallow waters of the river past Parliament and Big Ben on Friday. It died Saturday night as rescuers attempted to move it into deeper waters of the North Sea.

Dubbed 'Wally' by the media, the whale's fight for survival was followed avidly by TV stations and made headlines worldwide.