A rescue helicopter was seen flying to the site of a plane crash which killed 20 near Piz Segnas on Saturday. The German-made plane, which was a World War Two era vintage aircraft, was carrying three crew members and 17 sightseers when it crashed into the side of the Piz Segnas mountain in the Swiss Alps. The victims were said to be between 42 and 84 years old, with everyone on board perishing... Еще. The cause of the crash is unknown. Courtesy of Simon Lechmann, Radio Sudostschweiz.