Secret Service Director Sean Curran warned of a volatile security environment ahead of the White House Correspondents' Dinner, resheduled to July 24.

The Secret Service has seen a 40% increase this year in cases involving threats to protectees, including President Donald Trump.

As the Secret Service prepares for a second take at this year’s White House Correspondents’ Dinner in Washington, DC, on Friday, Director Sean Curran defended how his agency…