Police clear the area at the finish line of the 2013 Boston Marathon.
Investigators have a suspect — a Saudi Arabian national — in the horrific Boston Marathon bombings, The Post has learned.
Law enforcement sources said the 20-year-old suspect was under guard at an undisclosed Boston hospital.
It was not immediately clear why the man was hospitalized and whether he was injured in the attack or in his apprehension.
The man was caught less than two hours after the 2:50 p.m. bombing on the finish line of the race, in the heart of Boston.
In addition, Boston police have has surveillance video of someone bringing multiple backpacks to blast site, according to CBS News.
Police also confirmed that there was a third explosion, at the John F. Kennedy Presidential Library and Museum. It was not immediately clear how much damage was done or whether it was related to the bombings at the marathon finish line.
The library bombing occurred about 4:30 p.m. and more than a mile from the marathon.
A law enforcement source confirmed to The Post that 12 people were killed and nearly 50 were injured in today’s blast.
of course NBC and Esquire Magazine say or hint it is a WHITE SUPREMACIST