Developers say they want to turn the 77-acre site where Earls Court Exhibition Centre currently stands into a "new London district" by creating a High Street and 7,500 houses.
Earls Court was built in 1937 and is famous for hosting the Ideal Home Show and the Royal Tournament.
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The one-year-old Yorkshire Terrier was attacked and killed while being taken for a walk.
The lifeboat crew carried the pair into their boat and dropped them off back at Tower Bridge as people watched from the riverside.
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