U.S. President Barack Obama has questioned what Russian-backed rebels "are trying to hide" by denying investigators full access to the MH17 crash site in eastern Ukraine.
Murder In The Sky: Malaysia Airlines Flight MH17
Sky News: MH17 – ‘What are they trying to hide?’ (VIDEO)
US President Barack Obama speaks to the press on Ukraine outside the Oval Office at the White House in Washington, DC, on July 21, 2014.
