The FBI confirmed that it was a terrorist attack. Two bombs exploded within 50-100 meters from each other, the relatively low-bomb with the explosive power.
Obama said in a speech less than four hours after the incident, "Will feel the full weight of justice!" Terrorist hunt will start again?
Here I include 2 video moments of the bombs exploded in a shop (?), Just as some athletes are following the Marathon race, approaching the finish line.
William Moscarelli came from North End. He stood on Boylston Street, one of the marathon route through which the Boston marathon participants.
He was waiting for a friend. When the bomb exploded, he was running hard. He looked down at the finish line and saw the smoke, and then a lot of people shouting towards him, "duck"
"We then looked down to the ground. Women are close to me have a small child. Crushing his son to protect him from the blast. Later, a second bomb exploded," he said, quoted by thebostonglobe.
Moscarelli admitted, only 50 to 60 feet from the blast. When he got up, Moscarelli see people on the street and on the ground and bystanders stopped temporarily.
"There were eight people on the ground, roll, smoke came out blood and torn clothes," he said. They screamed in pain. Moscareli was wondering if there would be another explosion.
Moscarelli told in a voice soft and full of fear. At that time, he was going home. "This is a tragedy.