An international team of investigators has suspended its criminal investigation into the downing of Malaysia Airlines flight MH17 over eastern Ukraine in 2014, saying they have insufficient evidence to launch any new prosecutions.

Dutch prosecutor Digna van Boetzelaer said Thursday that “the investigation has now reached its limit”.

“All leads have been exhausted,” she said, as the team began laying out the evidence it uncovered in its long-running investigation.

Investigators walk amongst the debris at the crash site of MH17, near the village of Grabovo, Ukraine. (AP /Dmitry Lovetsky, File) (AP)

Dutch prosecutors said in their summary of findings that “there are strong indications that the Russian president decided on supplying” a Buk missile system to Ukrainian separatists.

A Buk system was used to bring down MH17 on July 17, 2014, killing all 298 passengers and crew.

Flight MH17 was shot down over Ukraine. (A Current Affair)

None of the suspects appeared for the trial and it was unclear if the three who were found guilty of multiple murders will ever serve their sentences.

Russia has always denied involvement. The Russian Foreign Ministry accused the court in November of bowing to pressure from Dutch politicians, prosecutors and the news media.

But the November convictions held that Moscow was in overall control in 2014 over the self-proclaimed Donetsk People’s Republic, the separatist area of eastern Ukraine where the missile was launched. The Buk missile system came from the Russian military’s 53rd Anti-Aircraft Missile Brigade, based in the city of Kursk.

MH17 five year anniversary
Wreckage from the MH17 jet was collected as part of a criminal prosecution in the Netherlands.. (Getty)

The team has continued to investigate the crew of the Russian Buk missile system that brought down the plane and those who ordered its deployment in Ukraine.

Aussie soldiers teaching ‘citizen army’ in fight against Russia

“The indications for close ties between the leadership of the Donetsk People’s Republic and Russian government officials raises questions about their involvement in the deployment” of the missile, the Netherlands Public Prosecution Service said on its website, citing intercepted phone calls between leaders of the breakaway region and “high-ranking Russian government officials held in the summer of 2014”.

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