Bomb threats have been made against the University of Texas and North Dakota State University, leading to both campuses' immediate evacuation of students and personnel.

According to University of Texas spokesperson Rhonda Weldon, the school received a call shortly before 9 a.m. from a man with a Middle Eastern accent claiming to be a member of al-Qaida. He also claimed that he positioned bombs across the campus set to detonate in 90 minutes.

By 9:50 a.m. all buildings were evacuated, said Weldon.

So far, no bombs have been located, but at 10:30 a.m. the school issued another warning, saying that some buildings still needed to be investigated before determining if the campus could reopen this afternoon.

North Dakota State University, in Fargo, North Dakota, received a similar bomb threat at about 10 a.m., giving faculty and students a half hour to exit the premises. Students have been asked to head to places off school grounds.

There is no word yet if the two incidents are related.

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