- His 37-year-old widow, who police have not identified, suffered minor injuries and was treated at the scene
- The driver of the lorry stopped at the scene in River Road and was not arrested
- The suspects are described as white men. It is not known how they got away
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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.