Air investigators are to examine a second black box which was recovered from flight MH17 today.
The data could reveal if the pilots were aware of a missile coming towards the plane and what happened in the last few seconds of the flight if they were able to speak.
The east Ukrainian site at which officials say two fighter jets have been shot down lies around 16 miles (25km) from the main wreckage of flight MH17.
In the map above, Saur-Mogila is shown marked red, with Grabovo, a town closely neighbouring the main site of the downed Malaysia Airlines plane, in green.
Thousands of online users have taken to social media to call for the victims of the Malaysian airliner crash to be returned to loved ones.
United States intelligence officials admitted that they do not know who fired the surface-to-air missile that downed flight MH17.
Warning this article contains images that some may find distressing