<blockquote>In the building's basement, Rusbridger wrote, government officials watched as computers which contained material provided by Snowden were physically pulverized. "We can call off the black helicopters," Rusbridger says one of the officials joked.</blockquote>
via <a href="http://ca.news.yahoo.com/britain-forced-guardian-destroy-copy-snowden-material-222933670.html">Britain forced Guardian to destroy copy of Snowden material - Yahoo! News Canada</a>.