A man walks, on July 17, 2014, amongst the wreckages of the malaysian airliner carrying 298 people from Amsterdam to Kuala Lumpur after it crashed, near the town of Shaktarsk, in rebel-held east Ukraine. (Photo credit Alexander KHUDOTEPLY/AFP/Getty Images)
A picture taken on July 17, 2014 shows flames and smoke amongst the wreckages of the malaysian airliner carrying 295 people from Amsterdam to Kuala Lumpur after it crashed, near the town of Shaktarsk, in rebel-held east Ukraine. (Photo credit Alexander KHUDOTEPLY/AFP/Getty Images)
Ukraine Plane Crash
Firefighters extinguish a fire, on July 17, 2014, amongst the wreckages of the malaysian airliner carrying 295 people from Amsterdam to Kuala Lumpur after it crashed, near the town of Shaktarsk, in rebel-held east Ukraine. Ukrainian President Petro Poroshenko said on Thursday that the Malaysia Airlines jet that crashed over rebel-held eastern Ukraine may have been shot down."We do not exclude that the plane was shot down and confirm that the Ukraine Armed Forces did not fire at any targets in the sky," Poroshenko said in a statement posted on the president's website. AFP PHOTO/ ALEXANDER KHUDOTEPLY (Photo credit should read Alexander KHUDOTEPLY/AFP/Getty Images)