NIEUWEGEIN, Netherlands (AP) — Dutch-led criminal investigators say they have solid evidence that a Malaysian jet was shot down by a Buk missile moved into eastern Ukraine from Russia.

Wilbert Paulissen, head of the Central Crime Investigation department of the Dutch National Police, says that communications intercepts showed pro-Moscow rebels had called for deployment of the mobile surface-to-air weapon, and reported its arrival in rebel-controlled areas of eastern Ukraine.

From that and other evidence collected by the Joint Investigation Team, Paulissen told a news conference: “It may be concluded MH17 was shot down by a 9M38 missile launched by a Buk, brought in from the territory of the Russian Federation, and that after launch was subsequently returned to the Russian Federation.”