Investigators again blocked from plane crash site; Ukraine blames rebel mines

By Carol Morello and Michael Birnbaum July 30

KIEV, Ukraine — An international team of investigators abandoned efforts to reach the crash site of Malaysia Airlines Flight 17 in eastern Ukraine for a fourth day Wednesday because of heavy fighting, and a Ukrainian official said approaches to the area have been mined.
Investigators Again Blocked From Plane Crash Site; Ukraine Blames Rebel Mines by Thavam