NEW : CNN minister says more police will be deployed late Monday night to ensure calm . 17 police officers were injured in clashes with young people , Gilles Demailly says . The interior minister says law and order must be restored after `` unacceptable '' violence . The trouble broke out Tuesday amid tension with police in the northern city of BFM .
NEW : Interior minister says more police will be deployed Tuesday night to ensure calm . 17 police officers were injured in clashes with young people , Manuel Valls says . The interior minister says law and order must be restored after `` unacceptable '' violence . The trouble broke out late Monday amid tension with police in the northern city of Amiens .