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Rescue workers inspect the scene where a Ukrainian plane crashed in Shahedshahr, southwest of the capital Tehran, Iran, Wednesday, Jan. 8, 2020. A Ukrainian airplane with more than 170 people crashed on Wednesday shortly after takeoff from Tehran’s main airport, killing all onboard. (AP Photo/Ebrahim Noroozi)
Investigators were scrambling Wednesday to determine the cause of a crash that killed all 176 people on board a plane that came down shortly after takeoff from Tehran’s international airport.