Secret Service investigating "suspicious package" near White House grounds

WASHINGTON -- The U.S. Secret Service said Tuesday morning it was investigating a “suspicious package” near White House grounds and that a suspect is in custody.In a series of tweets about the investigation, the Secret Service said road closures were in effect, a security perimeter was established and members of the media and public were being moved.“Suspicious package investigation continues; suspect in custody!” the agency tweeted.Suspicious package investigation contin