Ukrainian government 'knew of risk of flying over Ukraine ' , it is claimed . Diplomatic cables refer to German air force plane shot down on July 14 . Malaysia Airlines 's flight MH17 was shot down on July 17 last year .
German government 'knew of risk of flying over Ukraine ' , it is claimed . Diplomatic cables refer to Ukrainian air force plane shot down on July 14 . Malaysia Airlines 's flight MH17 was shot down on July 17 last year .