"In a photo provided by WGME/TV, a sign at a road construction site was changed by a hacker to read ""Warning Zombies Ahead!"" in Portland, Maine, Wednesday, Oct. 10, 2012. It originally read ""Night work 8 pm-6 am. Expect delays."" Drivers may have gotten a chuckle out of an electronic message board in Maine warning of zombies, but city officials were not amused. (AP Photo/Jeff Peterson, WGME/TV)"
{}