Photos: Two Bomb blast hit Boston Marathon, Kills 3 and 100 injured

At least three people have been killed and up to 100 people have been injured after two large bombs went off near the finish line of the famous Boston Marathon today, leaving behind a scene of carnage. It was revealed that an eight-year-old child was one of the two people confirmed dead in the blast, and additionally, a three-year-old boy was injured in the day's chaos.

Hours after twin explosions rang out near the city's Copley Square, President Obama appeared before the nation to tell them, 'We still don't know who did this or why they did this,' vowing that Americans stand by those affected.

The reiterated that many people were injured, 'some gravely' and remarked that on days like today, 'there are no Republicans or Democrats,' emphasizing that it is crucial not to categorize the bombings as terrorist attacks.

He made clear that the 'full weight of justice' would be brought down upon those responsible. 'We will find out who did this and hold them accountable,' he said.
Boston Police Commissioner Edward Davis had  said at an afternoon press conference that there was a third, uncontrolled explosion at the JFK Library which was believed to be an electrical fire.