A London couple on board a hot-air balloon which burst into flames and crashed during a sightseeing trip in Egypt today, killing 19 tourists, are reportedly among the dead.
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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.
The unfortunate officer was taken to a central London hospital for treatment and his condition is not life-threatening.