Two men who were found in a car after they were stabbed to death have been named as Aaron Carriere and Josiah Manful.
No one has been arrested and police are appealing for witnesses to come forward. Any one with information can call the incident room on 020 8345 3715 or Crimestoppers anonymously on 0800 555 111.
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Members of the RMT union on the Northern Line are planning to walk out on Monday after a driver was sacked for failing a breath test.
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Martin Allen, 15, disappeared on his way home from school in London in 1979 and was never seen again.