Yesterday a sporting event was turned into a bloodbath by a person or group who had planted several bombs in the finish area of the Boston marathon. At least 3 people have died and hundreds have been injured.

Boston Marathon Bombings

Runners continue to run towards the finish line as an explosion erupts at the finish line of the Boston Marathon. STRINGER/REUTERS

Boston Marathon Bombings

NBC still image taken from video shows an explosion at the Boston Marathon. NBC/REUTERS

Boston Marathon Bombings

NBC still image taken from video shows an explosion at the Boston Marathon. NBC/REUTERS

Boston Marathon Bombings

NBC still image taken from video shows the scene of an explosion at the Boston Marathon. HANDOUT/REUTERS

Boston Marathon Bombings

NBC still image taken from video shows the scene of an explosion at the Boston Marathon. HANDOUT/REUTERS

Boston Marathon Bombings

Debris is seen along Boylston Street after explosions went off at the 117th Boston Marathon in Boston. JESSICA RINALDI/REUTERS

Boston Marathon Bombings

Men in bomb-disposal suits investigate the site of an explosion which went off on Boylston Street during the 117th Boston Marathon in Boston. JESSICA RINALDI/REUTERS

Boston Marathon Bombings

A woman is comforted by a man near a triage tent set up for the Boston Marathon after explosions went off at the 117th Boston Marathon in Boston. JESSICA RINALDI/REUTERS

Boston Marathon Bombings

Public safety officials evacuate the scene after several explosions near the finish line of the 117th Boston Marathon in Boston. NEAL HAMBERG/REUTERS

Boston Marathon Bombings

Public safety officials evacuate the scene after explosions near the finish line of the 117th Boston Marathon in Massachusetts. NEAL HAMBERG/REUTERS

Boston Marathon Bombings

A child is comforted after explosions went off at the 117th Boston Marathon in Boston. JESSICA RINALDI/REUTERS

Boston Marathon Bombings

People leave the scene after explosions went off at the 117th Boston Marathon in Boston. JESSICA RINALDI/REUTERS

Boston Marathon Bombings

Ambulances line the street after explosions reportedly interrupted the running of the 117th Boston Marathon in Boston. DOMINICK REUTER/REUTERS

Boston Marathon Bombings

Bystanders tend to an injured man following explosions at the Boston Marathon finish area. MetroWest Daily News/Ken McGagh/REUTERS

Boston Marathon Bombings

Boston Police and Firemen stand by at the scene after explosions reportedly interrupted the running of the 117th Boston Marathon in Boston. DOMINICK REUTER/REUTERS

Boston Marathon Bombings

Woman comforts another after explosions interrupted the 117th Boston Marathon. DOMINICK REUTER/REUTERS

Boston Marathon Bombings

A Massachusetts State Police officer stands guard at the scene after explosions reportedly interrupted the running of the 117th Boston Marathon in Boston. DOMINICK REUTER/REUTERS

Boston Marathon Bombings

Injured people are attended to at the scene of an explosion at the Boston Marathon. Daily Free Press/Kenshin Okubo/REUTERS

Boston Marathon Bombings

An injured man is attended to at the scene of an explosion at the Boston Marathon. Daily Free Press/Kenshin Okubo/REUTERS

Boston Marathon Bombings

An injured woman is attended to at the scene of an explosion at the Boston Marathon. Daily Free Press/Kenshin Okubo/REUTERS

Boston Marathon Bombings

Bloody clothing and medical pads are found on Commonwealth Avenue in Boston near the scene of multiple explosions near the end of the Boston Marathon finish line in Boston. SCOTT EISEN/REUTERS

Boston Marathon Bombings

The scene of multiple explosions near the end of the Boston Marathon finish line in Boston. SCOTT EISEN/REUTERS

Boston Marathon Bombings

Bomb squad officials check a possible suspicious device near the scene of multiple explosions close to the end of the Boston Marathon finish line in Boston. SCOTT EISEN/REUTERS

Boston Marathon Bombings

Boston police officers patrol down Boylston Street near the scene of multiple explosions near the end of the Boston Marathon finish line in Boston. SCOTT EISEN/REUTERS

Boston Marathon Bombings

A runner is escorted from the scene after explosions went off at the 117th Boston Marathon in Boston. JESSICA RINALDI/REUTERS

Boston Marathon Bombings

A victim is attended to at the scene of an explosion at the Boston Marathon. Daily Free Press/Kenshin Okubo/REUTERS

Boston Marathon Bombings

Police block the entrance to Boylston street near the scene of one of the explosions at the finish line of the Boston Marathon in Boston. SCOTT EISEN/REUTERS

Boston Marathon Bombings

An injured victim is carried from the scene of an explosion at the Boston Marathon in Boston. Daily Free Press/Kenshin Okubo/REUTERS

Boston Marathon Bombings

Bloody clothing and medical pads are found on Commonwealth Avenue in Boston near the scene of multiple explosions at the end of the Boston Marathon finish line in Boston. SCOTT EISEN/REUTERS

Boston Marathon Bombings

Police and runners react following two explosions at the Boston Marathon. MetroWest Daily News/Ken McGagh/REUTERS

Boston Marathon Bombings

A runner and race officials react to an explosion during the Boston Marathon. MetroWest Daily News/Ken McGagh/REUTERS

Boston Marathon Bombings

A SWAT truck delivers officers to the scene after two explosions interrupted the running of the Boston Marathon. DOMINICK REUTER/REUTERS

Boston Marathon Bombings

Volunteers organize participants for belongings for collection after two explosions interrupted the running of the Boston Marathon. DOMINICK REUTER/REUTERS

Boston Marathon Bombings

The scene facing up Boylston Street after two explosions reportedly interrupted the running of the Boston Maratho. DOMINICK REUTER/REUTERS

Boston Marathon Bombings

Unclaimed runner's bags from the Boston Marathon are seen in Boston. JESSICA RINALDI/REUTERS

Boston Marathon Bombings

Members of the Boston Marathon medical team embrace after treating victims of explosions in Boston. NEAL HAMBERG/REUTERS

Apr 16, 2013