Mass exodus from Tirah Valley as as Pakistan military prepares offensive against TTP
New Delhi, Jan 25 (IANS) Tens of thousands of residents have streamed out of Tirah Valley in northwestern Pakistan in recent days, cramming into overloaded vehicles and enduring gruelling journeys amid bitter cold, all to escape an impending army operation targeting the Tehrik-e-Taliban Pakistan (TTP) militants who dominate the strategic border region near Afghanistan, media reports said.