US President Barack Obama on Friday held a situation room meeting with his top national security team on the latest developments on investigations related to the twin bomb blast in Boston early this week.
Flanked by his top national security aid including the national security advisor Tom Donilon, the FBI director Robert Mueller and the attorney general Eric Holder, Obama also discussed the blast at a fertiliser plant and other shooting incident in Watertown Massachusetts, the White House said.
US vice president Joe Biden was also present in the meeting.
"This morning's briefing is a follow-up to the regular briefings that the President received through the night as he was routinely updated on the investigation," a White House official said.
Among others who were present at the meeting were his chief of staff Denis McDonough, assistant to the President for homeland security and counterterrorism Lisa Monaco, deputy national security advisor Tony Blinken, deputy chief of staff Alyssa Mastromonaco, deputy national security advisor for strategic communications Ben Rhodes, deputy counsel to the President Avril Haines and national security advisor to the vice president Jake Sullivan.
The homeland security secretary Janet Napolitano, secretary of state John Kerry and CIA director John Brennan joined by video conference.
Obama continued to be briefed overnight on the Boston bombings early this week and the continued investigations in this regard.
"The President continued to be briefed overnight by assistant to the President for homeland security and counterterrorism Lisa Monaco about developments in the investigation as well as the events in Boston and Watertown, MA," the White House said.