The U.S. Secret Service is facing the most dangerous threat environment in its history, with investigations into threats against government officials up 40% this year, agency leaders said Tuesday.

Add Yahoo as a preferred source to see more of our stories on Google. Here's what we know about the shooting near the White House:A gunman was killed after opening fire on a U.S. Secret Service ...

The gunman who opened fire at a White House security checkpoint Saturday evening had previous encounters with Secret Service — and reportedly once told them he was Jesus Christ and wanted to be ...

A male suspect, identified by multiple Fox News Digital sources as Nasire Best, 21, of Maryland, was fatally shot by U.S. Secret Service agents at about 6 p.m. ET Saturday after he allegedly opened ...

On the eve of the rescheduled White House Correspondents' Dinner in Washington, D.C., the Secret Service's top officials warned of a sharp rise in nationwide threat levels, saying they are "off the ...