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"&lt;strong&gt;Bristol Palin&lt;/strong&gt; and &lt;strong&gt;Mark Ballas &lt;/strong&gt;have received death threats and \"&lt;strong&gt;Dancing with the Stars&lt;/strong&gt;\" has measurably heightened security ... sources connected with the show tell TMZ.&lt;br /&gt;&lt;br /&gt;&lt;img alt=\"Bristol Palin Death Threats\" src=\"http://ll-media.tmz.com/2010/11/22/1122-bristol-mark-ex-tmz-02-credit.jpg\" /&gt;&lt;br /&gt;We're told the threats began to come in last week, after Bristol and Mark made the finals.&amp;#160; Execs on the show told Mark to stop tweeting because it was inciting people.&amp;#160; Mark complied.&lt;br /&gt;&lt;br /&gt;Sources connected with the show tell us extra security will be on hand tonight for the show.&amp;#160; And, if Bristol and Mark head to New York, execs are talking about breaking format and not doing their interview outside in Times Square -- but rather in the studio, where it's more secure.&lt;br /&gt;&lt;br /&gt;TMZ broke the story ... a staffer on the show opened a \"fan letter\" to Bristol on Friday and white powder fell out.&amp;#160; Turns out it was talcum powder, but the FBI is investigating nonetheless.&lt;br /&gt;&lt;br /&gt;As one source said, \"Everyone is genuinely worried.&amp;#160; This is a dance competition, and it's just gotten crazy.\"&lt;br /&gt;&lt;br /&gt;&lt;!-- relatedlinks --&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.tmz.com/2010/11/22/death-threats-bristol-palin-mark-ballas-dancing-with-the-stars-security-letter-white-power/2/>