President Obama is schedule to give a statement at 6:10 PM ET, carried on the live feed below.
3:12 PM PT: President Obama says the full resources of the federal government are at the service of Boston.
3:12 PM PT: "We don't have all the answers," says the president.
3:13 PM PT: "All Americans stand with the people of Boston. ... First responders responded heroically."
3:13 PM PT: "We still do not know who did this or why, and people shouldn't jump to conclusions without the facts ... we will find out who did this, and why they did this. Any responsible individuals and groups will feel the full weight of justice."
3:14 PM PT: "As we get more information, our teams will provide briefings. We're still in the investigation phase, but ... we will find out who did this and we hold them accountable."