Kent Police have released CCTV footage of Jake Austin’s first attempt to run over John O’Donohue and his friend, the pair managed to avoid his car by running up a grass verge. Later, Austin turns the car around and drives at them again, which is when he hits Mr O’Donohue.
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The Prime Minister has praised the former soldier's "huge professionalism" in trying to save the life of Pc Keith Palmer.