Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
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(CNN) - The Ukrainian government is now claiming that the pro-Russian separatists placed land mines and set up firing positions around the scene where Malaysian Airlines Flight 17 crashed.
And for the fourth straight day, international investigators say conditions were too dangerous to reach the site, leaving the top suspects in the downing of Flight 17 still in control of the crime scene.
Though investigators did not reach the site today, CNN's senior international correspondent Nick Paton Walsh did.
Watch the video above to see what he found.