Czech billionaire dies in helicopter crash

The richest man in the Czech Republic, Petr Kellner, was among those killed in a helicopter crash near Butte, Alaska, Report informs, citing TASS.

The Associated Press published yesterday that at least five people had been killed in a Eurocopter AS50 helicopter crash.

The cause of the accident has not been determined yet. The US National Transportation Security Council is investigating.

Forbes estimates the fortune of 56-year-old Peter Kellner at $ 17.5 billion.