https://www.northernpublicradio.org/tags/threat threat en-US Copyright Wed, 17 Apr 2013 23:55:10 GMT https://www.northernpublicradio.org/2013-04-17/powder-in-envelope-sends-15-to-hospitals-in-beloit 15 people were hospitalized and dozens of others detained after an envelope containing powder was delivered to a Beloit health clinic. Employees of the… Wed, 17 Apr 2013 23:55:10 GMT https://www.northernpublicradio.org/2013-04-17/powder-in-envelope-sends-15-to-hospitals-in-beloit Susan Stephens