'Deranged message' on National Mall sparks police probe as Trump security fears mount

Law enforcement officials responded to Washington, D.C.'s National Mall on Thursday after a giant "8647" message appeared to be etched into the grass, prompting an investigation as federal authorities remain on heightened alert over political threats and violence. 

"The deranged vandalism on our National Mall will not be tolerated," an Interior Department spokesperson told Fox News Digital. "Any threat against the President is taken very seriously by the Department, and our U.S. Park Police...