Two men have been given life sentences for shooting a stranger dead after a row in a queue at McDonald's in Brixton.
28 year old Horace Campbell and 18 year old Liam Douglas-O'Callaghan were found guilty of murdering Devon Scarlett in April 2010.
Old Bailey judge Richard Hawkins said a "trivial argument" escalated which led to the execution of the father of four.
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The robbers casually approached their victim on a busy high street before before spraying a noxious substance in his face.
Tencho Hristov ignored warnings and got trapped between barriers at Roydon in Essex.
The 6km bike track will include 130m of the South Circular near Kew Bridge.