University of Texas students stand outside after evacuating buildings at The University of Texas on Friday, Sept. 14, 2012 in Austin, Texas. Thousands of people streamed off university campuses in Texas and North Dakota on Friday after phoned-in bomb threats prompted evacuations and officials warned students and faculty to get away as quickly as possible. No bombs were found on either campus by early afternoon and it was not clear whether the threats were related. (AP Photo/Statesman.com, Ricardo B.Brazziell) MAGS OUT; NO SALES; INTERNET AND TV MUST CREDIT PHOTOGRAPHER AND STATESMAN.COM

Associated Press
University of Texas students stand outside after evacuating buildings at The University of Texas on Friday, Sept. 14, 2012 in Austin, Texas. Thousands of people streamed off university campuses in Texas and North Dakota on Friday after phoned-in bomb threats prompted evacuations and officials warned students and faculty to get away as quickly as possible. No bombs were found on either campus by early afternoon and it was not clear whether the threats were related. (AP Photo/Statesman.com, Ricardo B.Brazziell)  MAGS OUT; NO SALES; INTERNET AND TV MUST CREDIT PHOTOGRAPHER AND STATESMAN.COM
University of Texas students stand outside after evacuating buildings at The University of Texas on Friday, Sept. 14, 2012 in Austin, Texas. Thousands of people streamed off university campuses in Texas and North Dakota on Friday after phoned-in bomb threats prompted evacuations and officials warned students and faculty to get away as quickly as possible. No bombs were found on either campus by early afternoon and it was not clear whether the threats were related. (AP Photo/Statesman.com, Ricardo B.Brazziell) MAGS OUT; NO SALES; INTERNET AND TV MUST CREDIT PHOTOGRAPHER AND STATESMAN.COM
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