The Brief

The University of Arkansas sent out emergency alerts warning of a possible active shooter on campus.

It’s unclear whether a shooter has been found or anyone has been shot.

Police at the University of Arkansas are responding to multiple reports of an active shooter on the school’s campus in Fayetteville.

Details are limited as police respond to the scene.

What we know:

At 12:43 p.m. local time, the school sent out an emergency alert on social media and other outlets warning people to avoid the area of Mullins Library due to reports of an active shooter.

Aerial view of the University of Arkansas campus on October 14, 2006 in Fayetteville, Arkansas. (Photo by Wesley Hitt/Getty Images) Expand

The school urged people to "Avoid. Deny. Defend."

About an hour later, the school

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