PARIS (Reuters) - Armed police were sent into a suburb of Dijon in
   eastern France to restore order after score-settling between rival
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   Trouble erupted on Friday when some 100 Chechen youths from across
   France descended on the Dijon suburb of Gresilles to avenge an attack
   on a Chechen teenager earlier in the week, police officials said.
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   wearing balaclavas and brandishing handguns or knives, out in the
   streets of the Dijon suburb.