At least 30 people were confirmed dead following fresh attacks by unknown gunmen in Birnin-Magaji area of northwest Nigeria's Zamfara, police said.Muhammad Gusami, the area's local government chairman, who confirmed the incident to reporters in Gusua, the state capital, said the attacks took place in Kokeya and Chigama villages, Xinhua reported.Gusami said the gunmen invaded Kokeya village with motorcycles and killed two persons, set some houses ablaze and carted away animals mostly cows.While this was going on, the attackers returned the next day and invaded the neighboring village of Chigama, killing more than 30 persons whose bodies were still being recovered from the bush.The chairman said the corpses have been taken to Birnin-magaji General Hospital.Similarly, the state police spokesperson Sanusi Amiru, said the police and army have moved to the area and normalcy had been restored.