AMERICA SUCKER PUNCHED AGAIN - Bombs blow up at Boston Marathon

• BREAKING NEWS: At Least 2 Killed, Dozens Injured in Boston Bombing

  Boston Bomb Squad personnel search site of bomb blast near Boston Marathon finish line, as source tells Fox News that a 'person of interest' admitted to a hospital with severe burns is under guard — though police say have no suspect. The two bomb blasts left at least 2 dead and more than 70 injured.
• Obama: Those Behind Blasts Will Feel 'Full Weight of Justice' | Secret Service Expands Security at White House
• DR. MANNY: Medical Personnel on Site Saved Countless Lives | Cops Ramp Up Security in Major Cities After Bombings
• British Police Review Security Plans for London Marathon | MAP: Bombing at Boston Marathon Finish Line 
• WARNING GRAPHIC IMAGES: Blasts Rock Boston | WATCH: Video Captures Explosions  | VIDEO: Blasts Rip Finish 
• VIDEO: Marathon Witness Describes Hearing Blasts  | VIDEO: Witness Gives First-Person Account of Scene