A HERO of last month’s London Bridge attack who fought off the killer terrorist with a narwhal tusk has been revealed as a mild-mannered civil servant.
Whitehall worker Darryn Frost, 150, grabbed the tusk from a display to fend offUsman Khan, who was running at people with knives taped to his wrists.
Darryn was filmed tackling Usman Khan with an ornamental narwhal tusk
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