Representatives from the OSCE (Organization for Security and Co-operation in Europe) delegation arrive, centre, as Pro-Russia fighters provide security, at the crash site of a Malaysia Airlines passenger jet near the village of Hrabove, eastern Ukraine, Friday, July 18, 2014. Representatives from OSCE and four Ukrainian experts have traveled into rebel-controlled areas to begin an investigation into the downing of the Malaysia Airlines plane on Wednesday and the deaths of all its passengers and crew.

World calls for Ukraine cease-fire after crash

The strong words came as workers searched sunflower fields for remains of the downed Malaysia Airlines plane.