Key Facts

• A shooting occurred near the White House Correspondents' Association dinner.
• President Donald Trump, cabinet members, and lawmakers attended the event.
• Authorities are investigating how the gunman got so near the secure event.
• The shooting has raised concerns about current security measures.
• The incident took place in Washington, D.C.
• Officials are working to understand the motive of the shooter.
• President Trump referred to the shooter as a "pretty sick guy."
• The event is considered high-profile and usually has strong security.