A Houston-area community college went into lockdown Tuesday afternoon amid reports of a shooter on campus.

Lone Star College System issued an alert on its website Tuesday telling students and faculty on its Houston-area campus in north Harris County to take immediate shelter or avoid the campus. College spokesman Jed Young said it had received reports of a shooter.

Aerial footage from local television stations showed police cars and ambulances parked on the campus, emergency personnel attending to people on stretchers and at least person being put into an ambulance. Other people could be seen running from a building led by officers.

A law enforcement official says Texas authorities have at least one person in custody in connection to the Lone Star College campus shooting in Houston, and local authorities think there could potentially be a second shooter.

The official spoke on condition of anonymity because he was not authorized to discuss an ongoing case. The official says multiple injuries have been reported.

The Houston-area community college is on lockdown amid reports of a shooter on campus. Lone Star College System issued an alert on its website telling students and faculty to take immediate shelter or avoid the campus.

The Lone Star College System has an enrollment of 90,000 students and six college campuses, according to its website. Its North Harris campus is about 20 miles north of downtown Houston.

(AP)