Image 1 of 1
United States President Barack Obama receives an update on the explosions that occurred in Boston, in the Oval Office, April 16, 2013. Seated, from left, are: Homeland Security Secretary Janet Napolitano; Tony Blinken, Deputy National Security Advisor; Jake Sullivan, National Security Advisor to the Vice President; Attorney General Eric Holder; Lisa Monaco, Assistant to the President for Homeland Security and Counterterrorism; Chief of Staff Denis McDonough; and FBI Director Robert Mueller. .Mandatory Credit: Pete Souza - White House via CNP <br />
- NO WIRE SERVICE - Photo: Pete Souza/Consolidated News Photos/Pete Souza - White House via CNP /MediaPunch ***FOR USA ONLY***

This official White House photograph is being made available for publication by news organizations and/or for personal use printing by the subject(s) of the photograph. The photograph may not be used in materials, advertisements, products, or promotions th ***FOR USA ONLY***