TODAY | April 19, 2013
>>> to washington. nbc white house correspondent kristen welker is at the white house . the president has been briefed on this all night long. what can you tell us?
>> reporter: fbi director robert mueller is here we white house along with attorney general eric holder briefing president obama as we speak on the ongoing developments that are evolving right now in boston. of course the president has been kept up to date throughout the night by his homeland security advis adviser. the president has been receivie ing updates. we heard from president obama on monday and tuesday and during the interfaith prayer service yesterday in boston. in terms of what we can expect from the president today, i can tell you that he doesn't have any events on his public schedule and white house press secretary jay carney is scheduled to brief at noon today. this is an evolving situation. we wouldn't be surprised if we would hear from the president today. there's nothing scheduled at this moment. the white house being very careful and judicious in its response because this is a developing and ongoing situation. that's the latest from the white house . the president getting briefed as we speak from fbi director robert mueller and attorney general eric holder continuing to get updates from his national security team on this situation. savannah?