Part of Pentagon email network taken down over suspicious activity

USA: An unclassified email network used by Army General Martin Dempsey and other members of the U.S. military's Joint Staff has been taken off line because of suspicious activity, a Pentagon spokeswoman said on Tuesday.

Army Lieutenant Colonel Valerie Henderson said the unclassified email network for all users on the Joint Staff was taken offline by the Defense Department because of suspicious activity noted over the weekend and is "currently down."