Police Search Apartment in Boston Suburb

(AP) WBZ-TV in Boston is reporting that Law enforcement officers are searching an apartment in the Boston suburb of Revere, following Monday's attack at the Boston Marathon.{}{}{} Massachusetts State Police will only say that a search warrant related to the investigation has been served in Revere.{}{}{} As the FBI takes charge of the investigation, authorities have shed no light on a motive or who may have carried out the bombings.

A White House official says the bomb attack at the Boston Marathon killed at least three people and injured more than 140. It is being treated as an act of terrorism.{}{}{} President Barack Obama says those responsible will "feel the full weight of justice."