There were hundreds of heroes in the aftermath of Monday's tragic bombing attacks in Boston. Doctors, police officers and even former NFL players responded with tremendous courage and saved lives. Carlos Arredondo — easily recognizable in photos and videos because of his cowboy hat — was one of those heroes and is…

President Obama held a no-nonsense press conference moments ago where he promised to bring any responsible parties to justice, but clarified that they had no information yet on who those responsible parties might be. He expressed sympathy for the victims, stating that he and Michelle are sending their "deepest…

After one blast went off at the finish line of the Boston Marathon this afternoon, people—reporters and spectators—grabbed their cameras only to witness a second blast in nearly the same location. One of the first videos from the finish line (above) shows many runners collapsing from the trauma of the blast. Below,…

At least two homemade bombs detonated at the finish line of the Boston Marathon in Copley Square just before 3 p.m. today, setting off explosions that killed three people and injured more than 100, many of whom lost limbs. According to early reports, three other explosive devices were found nearby, one of which was…

Two explosions tore through downtown Boston today, killing at least three of the thousands of people who'd gathered to watch that city's famous marathon race. The explosions went off near the race's finish line, causing mass panic and ripping off people's limbs, according to early eyewitness accounts. Explosives units…