NIAMEY, Sept. 21 (Xinhua) -- Niger's Defense and Security Forces killed at least 34 terrorists during two operations conducted in the past week in the western regions of Dosso and Tillabery, according to an official announcement. The army said its forces, backed by air support, killed at least 22 assailants and wounded many others, while the remaining attackers fled toward the Malian border. Seven soldiers were killed and two others wounded in the ambush, it added. On Friday, another air-land operation targeted a group of terrorists on motorcycles transporting stolen livestock near Mangaize in the Tillabery region, the army said. The operation killed at least 12 terrorists, destroyed six motorcycles, and enabled the recovery of all stolen livestock.