Hours after a gunman attempted to breach the White House Correspondents' Dinner, details are slowly emerging about who he is.

The IEA says the war in the Middle East has caused the biggest energy crisis in history, and emerging economies are feeling the pressure.

"I can confirm the officer has been discharged, and the ballistic vest helped us avoid a potential tragedy last night," the Secret Service's chief of communications, Anthony Guglielmi, tells the BBC.