Kiev, Sep 1 Six Ukrainian servicemen were killed when two military helicopters crashed in eastern Ukraine, the State Bureau of Investigation (SBI) has said.
The Mi-8 helicopters, both on a combat mission, crashed on August 29 in Kramatorsk district of Donetsk region, Xinhua news agency reported.
The Ukrainian authorities on Thursday said that they opened a probe into the incident, which was the second deadly aircraft incident in Ukraine in the past week.
On August 25, three pilots were killed after two L-39 military trainer jets collided in the sky over Ukraine's northern region of Zhytomyr.
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