France's Interior Minister Manuel Valls (2ndL) shakes hands with a woman as he walks with city mayor Gilles Demailly (L) outside the charred nursery school during a visit to a neighbourhood in Amiens August 14, 2012. Valls visits Amiens after overnight clashes with police where gangs of youths set cars, bins and a school ablaze. REUTERS/Pascal Rossignol (FRANCE - Tags: POLITICS CRIME LAW)