Algerian police students show their combat skills during the graduation ceremony, in Algiers, Algeria, on Nov. 12, 2012. A graduation ceremony was held Monday in the police academy in Ain Benian. (Xinhua/Mohamed Kadri)

Algerian police students show their combat skills during the graduation ceremony, in Algiers, Algeria, on Nov. 12, 2012. A graduation ceremony was held Monday in the police academy in Ain Benian. (Xinhua/Mohamed Kadri)

Algerian police students show their combat skills during the graduation ceremony, in Algiers, Algeria, on Nov. 12, 2012. A graduation ceremony was held Monday in the police academy in Ain Benian. (Xinhua/Mohamed Kadri)

Algerian police students show their combat skills during the graduation ceremony, in Algiers, Algeria, on Nov. 12, 2012. A graduation ceremony was held Monday in the police academy in Ain Benian. (Xinhua/Mohamed Kadri)