Boston Marathon Bombing -- 2 Confirmed Dead, 23 Injured;
Update: 2:23 PM PST: The Boston Globe is reporting over 100 injured.
Update 2:03 PM PST: The New York Post claims 'Saudi National' has been ID'd, is under custody.
Update 1:56 PM PST: CBS News reports that law enforcement official divulged that there is a surveillance photo of potential suspect.
Update 1:33 PM: From the New York Post -- "A federal law-enforcement source confirmed to The Post there are at least 12 dead and nearly 50 injured. Fox News reported that Massachusetts General Hospital was treating 10 people with amputated limbs and all operating rooms were on hold.
Update 1:12 PM: According to the Boston Police Department, there are 23 injured and 2 dead.
BOSTON, Massachusetts — At least six people were wounded when two large explosions struck near the finish line of the Boston Marathon on Monday, sparking scenes of panic, witnesses and US media said.