Experts : Investigation should not include parties involved in Ukraine conflict . The State Department would assist in diplomatic discussions between Ukraine and Russia . Government agencies likely to have information by Friday . U.S. will help in several areas , including diplomacy . The fact that pro - Russian forces in the crash area will hamper the investigation .
Experts : Investigation should not include parties involved in Ukraine conflict . Government agencies likely to have information by Friday . U.S. will help in several areas , including diplomacy . The fact that pro - Russian forces in the crash area will hamper the investigation .