The students spotted the arachnid near the governor's phone on Friday. Speaking softly, Christie gave the spider a smack down.
The governor told the students that another fun part of being governor is you're allowed to kill any bugs on your desk without getting into trouble.
Christie tweeted that he had "saved a few school children from a spider."
People for the Ethical Treatment of Animals President Ingrid Newkirk issued a statement saying Christie probably killed it without thinking. Newkirk said "some people put the spider outside, but spiders are often scary" and that can prevent people from pondering their worth.
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