PARACHINAR: The Tori tribesmen of Kurram Agency on Sunday announced a unilateral ceasefire ahead of a deadline by the political administration to the warring tribes to end their clashes.Dozens of people have been killed and scores injured during clashes between rival Mangal and Tori tribesmen in Kurram Agency during last five months. Tori tribe elders Ali Akbar Tori, Haji Ahmed Hussain and Haji Gulfam Hussain announced the ceasefire during a press conference. They assured the political administration that they would co-operate with the government. They also presented several demands for restoration of peace in the agency.