ATLANTA (AP) — A rural Georgia monument that some conservative Christians criticized as satanic and others dubbed "America's Stonehenge" was demolished Wednesday after a predawn bombing turned one of its four granite panels into rubble.

The Georgia Guidestones monument near Elberton was damaged by an explosive device, the Georgia Bureau of Investigation said, and later knocked down "for safety reasons," leaving a pile of rubble in a picture that investigators published.

Surveillance footage showed a sharp explosion blowing one panel to rubble just after 4 a.m. Investigators also released video...