New Hampshire Schools Shut Over Email Threat Prison Planet.com Posted on December 21, 2015 Posted in Aggregated No Comments Tagged with Prison Planet Sky News | The email threat is the third targeting US schools in a week amid heightened tensions since the California shooting attack. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email