(USA TODAY) -- The University of Texas at Austin has reopened their campus after bomb threats that prompted the evacuation campus buildings.
Campus buildings were cleared, but no bombs were found. UT Austin has canceled classes for the day, but says buildings can be re-entered starting at noon.
Update at 2:03 p.m. ET: When the decision was made to evacuate buildings at UT-Austin, the university sent out texts to the approximately 69,000 users signed up to its alertsystem, directing them to evacuate buildings, UT Police Chief Robert Dahlstrom says. University officials also sounded the on-campus siren and sent out notices via email and Facebook, he says, USA TODAY's Rick Jervis reports.
Update at 1:17 p.m. ET: The UT police chief say the threat was given for "several buildings."
Update at 1:12 p.m. ET: William Powers, president of the University of Texas at Austin, says in a tweet:
We had a threat of explosives of campus. This threat was given for later in the morning. We thought prudent to clear bldgs.
Update at 1:03 p.m. ET: The University of Texas at Austin, on its website, says classes on the main university campus are cancelled for the remainder of the day, but that university buildings may be re-entered starting at noon today. All university activities except for scheduled classes will resume at 5 p.m, the university says.
Update at 12:59 p.m. ET: The University of Texas says all Austin campus buildings will re-open at noon after bomb threat, the AP reports..
Update at 12:46 p.m. ET: "From what I understand, all the buildings are cleared of anything suspicious," says Lee Clippard, a UT-Austin spokesman. "All the buildings are going to be available to be re-entered at noon.(CDT) All operations are going to be resumed at 5 p.m. (CDT.)"
Update at 11:56 a.m. ET: "We have emptied the buildings and we have told folks to stay far away," Tara Doolittle, a UT-Austin spokeswoman, tells USA TODAY's Sharon Jayson. "No decision has been made on whether to hold afternoon classes. We're working with local and federal law enforcement to ensure that the campus is secure."
Doolittle says officials hope to have an update in the next couple of hours. "Once we know the buildings are secure and there's a secure place, we'll hold a press conference."
Update at 11:45 a.m. ET: The University of Texas at Austin says on Twitter: "Buildings being checked/cleared. Stay away from buildings. No decision on afternoon classes/activities. Next update at 10:45am."
Update at 11:39 a.m. ET: Officials at UT-Austin say no bombs have been found.
Update at 11:31 a.m. ET: North Dakota State U. orders all employees, students off campus after receiving bomb threat, the Associated Press reports.
Update at 11:14 a.m. ET: KXAN-TV reports that the university's Director of Communications, Rhonda Weldon, says the university got a call around 8:35 a.m. local time from a male with a middle eastern accent claiming to have placed bombs all over campus.
The caller claimed to be from the Al-Qaeda terrorist organization and that the bombs would go off in 90 minutes, KXAN reports..
President Williams Powers has been notified, and officials are now evacuating all of the buildings out of an abundance of caution.
Update at 11:12 a.m. ET:A UT official tells the American-Statesman that the university had received multiple bomb threats to multiple buildings.