President Obama was briefed Friday morning on the tense manhunt underway in Massachusetts for a suspect in the Boston Marathon bombing.

Obama, Vice President Biden and the administration’s national security team took the briefing in the Situation Room shortly after 9:45, according to a White House official.

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Also on hand were Attorney General Eric HolderEric H. HolderEric Holder group to sue Georgia over redistricting Eric Holder to Trump: 'Taking a knee is not without precedent' Juan Williams: Momentum builds against gerrymandering MORE, FBI Director Robert Mueller, White House Chief of Staff Denis McDonoughDenis McDonoughDNC chairman to teach at Brown University Trump mocked Obama for three chiefs of staff in three years Former Obama UN ambassador to meet with Senate Intelligence panel: report MORE, National Security Adviser Tom Donilon, Assistant to the President for Homeland Security and Counterterrorism Lisa Monaco, Deputy National Security Adviser Tony Blinken, Deputy Chief of Staff Alyssa Mastromonaco, Deputy National Security Adviser For Strategic Communications Ben Rhodes, Deputy Counsel to the President Avril Haines and National Security Adviser to the Vice President Jake Sullivan.


Source:The White House, on Flickr

Homeland Security Secretary Janet Napolitano, Secretary of State John KerryJohn Forbes KerryFor the sake of national security, Trump must honor the Iran deal Bernie Sanders’s 1960s worldview makes bad foreign policy DiCaprio: History will ‘vilify’ Trump for not fighting climate change MORE and CIA Director John Brennan dialed into the meeting by video conference. Napolitano was scheduled to testify at a hearing on immigration Friday but will testify later because of the unfolding events.

Obama was briefed throughout the night on the breaking news of the investigation, according to the official.

Secretary of State John Kerry, Defense Secretary Chuck HagelCharles (Chuck) Timothy HagelThe Hill's 12:30 Report The Hill's 12:30 Report Billionaires stopping climate change action have a hold on Trump, GOP MORE, and CIA Director John Brennan arrived at the White House early Friday afternoon to participate in a previously scheduled meeting of national security principals.

— Updated at 12:52 p.m.