Black Boxes Found in Altai Crash

Investigators on Monday discovered the flight recorders of a helicopter that crashed last week in the Altai region, killing seven people, including Alexander Kosopkin, the Kremlin's envoy to the State Duma, reported.

The Mi-171 helicopter was carrying a group of federal, regional and local officials when it disappeared during a hunting trip in the Altai region.

Rescuers located the helicopter on Sunday afternoon, and four injured survivors were rushed to the hospital.

The Interstate Aviation Committee said in a statement Monday that the helicopter's black boxes had been recovered from the crash site, which could help investigators identify the cause of the fatal accident, reported.

The Investigative Committee on Monday denied media reports that poor-quality fuel had led to the crash.

One of the survivors, pilot Maxim Kolbin, was released from the hospital Monday, Interfax reported. Kolbin had walked up to 40 kilometers across snow-covered mountains to a border checkpoint where he reported the location of the crashed helicopter, RIA-Novosti reported.