Terror attack survivor heard engine revving before she was knocked out

The wife of an American tourist killed in the Westminster terror attack told a court she heard a car engine revving before she was knocked unconscious. Melissa Cochran was with her husband Kurt, 54, on Westminster Bridge when they were hit by a rented 4×4 driven by Islamic terrorist Khalid Masood , 52, in March last year. Utah born Mr Cochran heroically pushed his wife out of the way of the oncoming 4×4 while her husband took the full force…