Heroic bystander at Boston Marathon bombings, Carlos Arredondo, was an undocumented immigrant.

The FBI and ATF raided the apartment of the "person of interest" in the Boston Marathon bombing, surprising the man's roommate.

The recent bombings at the 2013 Boston Marathon have many people wondering when and if something like this will happen again in the near future. With the upcoming London Marathon days away, London officials are beefing up security all over.

Former Patriot Joe Andruzzi carried a fallen runner from the finish line after the Boston Marathon explosions.

Following the Boston Marathon bombings, no suspects have officially been named, but a person of interest is being supervised at a Boston hospital.

A Twitter user called the photo of the man on the roof “the spookiest thing I have ever seen."

Carlos Arredondo and his wife remembered their sons in the wake of the Boston Marathon tragedy.

Over 140 people were injured following multiple bomb explosions at the Boston Marathon. One victim, 8-year-old Martin Richard, was tragically killed waiting for his father to cross the finish line.

Both ideological sides came together Monday to mourn the victims of the Boston Marathon bombings, as well as assure justice for those responsible.

A New York Post article saying the Boston police had apprehended a 20-year-old Saudi national and considered him a suspect in the Boston Marathon bombing is mistaken, said a spokesperson from the Boston Police Department.

Sources report that a subject is in custody allegedly responsible for the Boston Marathon bombing.

The 2013 Boston Marathon was held in honor of the 26 families affected by the Sandy Hook shooting, and they were sitting in first row at the finish line, where the explosions happened.

In the Boston Marathon explosions, more devices were discovered that did not detonate.

Two powerful explosions at the finish line of the Boston Marathon have left dozens injured. The cause is unknown.

When 20 European Union leaders gathered in Oslo's sub-zero temperatures on December 10 to celebrate winning the Nobel Peace Prize, there was an unspoken item on the agenda: banking union.

Forget that Turkey trot. Thanksgiving is now the start of the annual holiday shopping endurance race, as more stores open on Thursday's national holiday to seek a bigger share of spending that is expected to grow slowly this season.

The much-hyped New York City Marathon was called off last minute by the Mayor amid howls of protest from the storm-affected residents. But hundreds of runners who were there in Staten Island for the race, used the opportunity to help the storm-hit people.

UPDATE: Several reports have confirmed that the NYC Marathon will not be run on Sunday.