Virginia Tech Police Chief Wendell Flinchum
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Virginia Tech on lockdown over 'gun' report

Virginia Tech university, site of the 2007 shooting that killed 32 people, has been put on lockdown after the possible sighting of a gunman on campus.

Virginia Tech Police Chief Wendell Flinchum said the campus had been searched but no-one fitting the description of the gunman had yet been found.

He stressed that the search was continuing and the college would remain closed until further notice.