Evacuation Ended After Threat at Carnegie Mellon

<p><a href=“http://www.nytimes.com/aponline/2010/01/22/us/AP-US-Carnegie-Mellon-Security.html[/url]”>http://www.nytimes.com/aponline/2010/01/22/us/AP-US-Carnegie-Mellon-Security.html&lt;/a&gt;&lt;/p&gt;