Petrified Brown students can be seen cowering in a university library as loud bangs thunder outside, in exclusive video obtained by The Post.

At least seven loud bangs are heard as over a dozen terrified and teary-eyed students crouch in front of library shelves during Saturday’s mass shooting , that left two dead and 8 critically injured.

It was not clear what caused the noises, but after the final bang numerous police officers dressed in SWAT gear and holding firearms entered the library and order the students to put their hands up.

Multiple loud bangs are heard as the students hide in front of the library shelves.

The mass shooting has left two dead and eight critically injured.

“Obviously there’s something going on, we’re here to help you… just listen to our commands we’ll get y

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