article_snippet: Scroll down for video .
article_snippet: A rescue worker as the crash scene.
article_snippet: Flight 4U 9525 emerged today that the plane's co-pilot deliberately crashed the plane after locking the captain out of the cockpit.
article_snippet: French prosecutor Brice Robin said the co-pilot - named as 28-year-old German Andreas Lubitz - used the flight managing system to put the plane into a descent, something that can only be done manually and deliberately.
article_snippet: French prosecutor Brice Robin  said: 'The intention was to destroy the plane.
article_snippet: the plane hit the mountain at 700km per hour. '
article_snippet: I don't think that the passengers realised what was happening until the last moments because on the recording you only hear the screams in the final seconds'.