The second flight recorder from the Malaysia Airlines aircraft that was shot down in Eastern Ukraine has been recovered by rescue workers, a Reuters cameraman on the scene said.

The discovery comes after pro-Russian separatists in the region said on Thursday they had found one of the black boxes from the aircraft, leading to fears it could be on its way to Moscow for a cover-up.

According to the UK’s The Mirror, the First Deputy Prime Minister of the Donestsk Republic said: "Of course, we most likely will give them to the Interstate Aviation Committee, to Moscow.

"They are highly qualified experts who will be be able to accurately determine the cause of the disaster even though it is so clear."

The Organization for Security and Cooperation in Europe, meanwhile, said the Ukraine separatists have agreed to provide assistance in the investigation surrounding the tragedy that had befallen flight MH17 and have pledged to ensure safe access for international experts visiting the site.

Kiev, however, refuted those claims saying the separatists had prevented Ukrainian officials from reaching the crash site.

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Emergency crew were working through the debris of the downed jet that was spread out across an area stretching for kilometres.

The Boeing-777 aircraft, en route from Amsterdam to Kuala Lumpur, crashed Thursday in Eastern Ukraine, close to the capital of Donetsk, the site where the separatists rose up against central rule from Kiev in April.

The flight was carrying 298 people on board, all of whom were killed.

Talks between the separatist leader and Kiev over the investigation are expected to continue Friday and a ceasefire is also being discussed, reported The Mirror.