President Obama is declaring Monday's bombing a disaster, and has signed an emergency declaration to mobilize federal aid. 

The President signed the declaration yesterday, authorizing Homeland Security and FEMA  to help with relief efforts for Middlesex, Norfolk and Suffolk counties.  The declaration covers any efforts taken from April 15th to April 22nd.

The FBI announced on Wednesday that they are looking for two possible suspects involved in the bombings. They obtained significant information from security cameras.