Three youths attending a summer camp at Virginia Tech reported seeing a man holding a pistol near the campus' main dining hall.

The juveniles reported seeing a 6-foot man at 9:09 a.m. with a pistol "covered by a cloth or covering of some sort," the university said in a statement.  The man was allegedly "walking fast in the direction of the volleyball courts," the university said.

Virginia Tech police searched the area and found no one fitting the man's description:

-White Male

-Wearing a Blue and White Striped Shirt

-Gray Shorts

-Brown Sandals

-No facial hair or glasses

Virginia Tech issued an alert:

"Person with a gun reported near Dietrick (a dining hall). Stay inside. Secure doors. Emergency personnel responding. Call 911 for help."

Law enforcement officers from VTPD, Blacksburg PD, Christiansburg PD, Virginia State Police, and Montgomery County Sheriff's Office are patrolling the campus, continuing to look for the subject.

"Police have encountered no other witnesses reporting this individual or seeing anything suspicious," the university said.

Activity at the school, which is currently being used to house dozens of academic and sports camps for children over the summer vacation, ground to a halt after the lockdown.

The university scheduled a news conference for 11 a.m.

Virginia Tech was the site of the 2007 massacre and was criticized for not reacting quickly enough when gunman Seung-Hui Cho killed 32 people on campus that year.

They responded quickly this time.

Formally known as Virginia Polytechnic Institute and State University, the school is located in Blacksburg, Virginia and has more than 30,000 full-time students.

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