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Five countries investigating the MH17 crash will try again to get UN Security Council's approval for the international tribunal to prosecute the alleged perpetrators, the report says.

"A key Russian argument for vetoing the resolution to establish a tribunal on Wednesday was that it was premature and "untimely," because the results of the investigation aren't expected until October. So the five nations will try again for a tribunal then," he said.

The Russian mission to UN had no immediate comment on Klimkin's remarks.

Klimkin said the five countries – Ukraine, Malaysia, Australia, the Netherlands and Belgium – believe that the international tribunal is "the best option politically and legally" because it would be fully accountable, transparent and independent.

"We're not about to give up on that. In two months we will have the final and ultimate report, and what would Russia say in the two months? We will definitely try again, with all kinds of support of (the) international community," he said.

The minister called the downing of MH17 "a national tragedy" for all Ukrainians and stressed that a tribunal isn't about politics or "pinning down Russia," but about truth and justice for the victims and their families.

Klimkin said there are also other legal options to prosecute the perpetrators including a so-called hybrid tribunal which would require an agreement between participating states and the United Nations and Security Council approval, and national courts.

"So we can explore any kind of these areas in the future," he said.

UNIAN's memo. Flight MH17 from Amsterdam to Kuala Lumpur was downed in Donetsk region on July 17, 2014. There is mounting evidence that the plane was shot down by a powerful Buk-M anti-aircraft missile system. All 298 people on board were killed. Most of the passengers, 194, were Dutch citizens, while 43 people, including all of the aircraft's crew, were citizens of Malaysia.

The plane crashed near Shakhtarsk in Donetsk region, in an area controlled by Russian-backed militants.

The bodies of the crash victims were transferred to the Netherlands for forensic medical examination and identification.

On July 24, 2014, Ukraine delegated the investigation of the aircraft crash to the Netherlands.

On July 9, 2015, Malaysia published a draft UN Security Council resolution calling for establishing an international tribunal to investigate the MH17 crash.

Australia, Belgium, the Netherlands, Malaysia, and Ukraine appealed to the UN Security Council to set up an international criminal tribunal on MH17. Russia vetoed the resolution on the tribunal on July 29, 2015.