ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: Wreckage from Malaysia Airlines flight MH17 downed over eastern Ukraine in July reached Poland on Friday night (December 5) on its way to the Netherlands for investigation.<br/> <br />More than two-thirds of those on board the flight from Amsterdam to Kuala Lumpur were Dutch, and Dutch authorities have taken the lead in the investigations into the airliner's downing.<br/> <br />The plane was downed on July 17 over eastern Ukraine, killing all 298 passengers and crew. Experts say the most likely cause was a ground-to-air missile fired from territory held by pro-Russian separatists.<br/> <br />The Dutch launched the largest criminal investigation in their history after the crash.<br/> <br />Trucks are carrying pieces of the plane to the Netherlands, but much of the wreckage still lies in Ukrainian fields.<br/> <br />The convoy is allowed to move only at night. It arrived at the Polish border during the day, and was allowed to move only after 2100 GMT, heading toward
