DS Helen Lambert from the Road Death Investigation Unit said:
"Brian Dorling's family have been left devastated by his untimely and sudden death. This was a tragic incident involving two different road users and it highlights the vulnerability of cyclists who ride alongside large vehicles."
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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.
The A&E department at Northwick Park Hospital in north London has been under pressure following the closure of two other A&E units.
Martin Allen, 15, disappeared on his way home from school in London in 1979 and was never seen again.