China on Tuesday called on all parties involved to cooperate with the international investigation into the crash of Malaysia Airlines flight MH17 in eastern Ukraine.
A senior separatist leader, Aleksander Borodai, handed over black boxes from an airliner downed over eastern Ukraine to Malaysian experts in the city of Donetsk in the early hours of Tuesday.
The crashed Malaysia Airlines flight MH17 had strayed 14 km north from its planned route after passing Ukraine's eastern city of Donetsk.
A Malaysian flight with 280 passengers and 15 crew members on board crashed Thursday in Ukraine near the Russian border.
Malaysia has announced the establishment of a joint investigation team on the MH17 incident, which comprises officials from the Netherlands, Malaysia, Britain and the United States.
A separatist leader said they were keeping what they presumed were black boxes from MH17 in Donetsk, but they would need experts to confirm it.Special
Chinese President Xi Jinping on Friday sent condolences to Malaysia and the Netherlands over the loss of lives in the downed Malaysia Airlines flight MH17.
The Netherlands will not rest until the perpetrators of the possible attack on the crashed plane MH17 are detected, the Dutch prime minister said during a press conference in The Hague.
Malaysian Transport Minister Liow Tiong Lai said the Ukrainian government should institute an investigation into the circumstances of the deadly MH17 incident.
Iranian Foreign Ministry spokeswoman Marzieh Afkham offered Iranians' deep sorrow on the crash of the Malaysian passenger plane in east of Ukraine.
An influential Dutch AIDS expert was among the 298 passengers on a Malaysian airliner that was crashed over Ukraine.
World leaders demanded an international investigation into the crashed Malaysian airliner over eastern Ukraine in which all 298 people on board were killed.