At least one police officer was killed, another is in serious condition as law enforcement found the two men believed to be behind the Boston Marathon terrorist attacks. The first man, Tamerlan Tsarnaev, is believed to be dead, but Dzhokhar Tsarnaev is at large and the subject of a massive manhunt.
The FBI urges anyone with information about either of the men pictured here to call 1-800-CALL-FBI. They are considered to be both armed and extremely dangerous.
The Sept. 11 terrorist attack was a wake-up call for cities across the country -- they needed to be ready for terrorism. By all indications thus far, the response of Boston police and fire officials is an example of how far cities have come in preparing for terrorism-inflicted disasters.
In the minutes after two bombs detonated at the Boston Marathon, countless regular people pitched in to help first responders tend to the wounded. One of those was Dr. Chris Rupe, a Salina, Kan., surgeon who finished running the marathon seconds before the blast, and then pitched in to help the injured.
The attacks on the Boston Marathon on Monday left three people dead, an unknown number of people maimed and scores wounded. Law enforcement gathered Tuesday morning to vow to get to the bottom of the attack, but as of yet they have no one in custody.
Two explosions near the finish line of the Boston Marathon killed at least three people and injured dozens more Monday afternoon, about 2:50 p.m. ET. Officials weren't saying what caused the explosions, but police departments across the eastern seaboard were raising their threat levels in response.
It's been nearly two years since the earthquake and tsunami that ravaged Japan's northeast coast. Among the casualties were a lot of family photos, so a group of Japanese photographers have banded together to help recreate those precious family moments.
The United Arab Emirates has embarked on a campaign to expand its global presence as a leader in foreign aid. In the latest effort, the UAE has made a major investment in Joplin, Mo., which was devastated in 2011 by a tornado.
Jakarta is often beset with flooding, but heavy rains and commercial developments made the past week's flooding especially widespread, and also especially egalitarian -- inundating the homes of both the poor and the wealthy.
Various people around the world are looking to Dec. 21, the last day on an ancient Mayan calendar, as the end of the world. And while that theory has long been discredited, some people, especially in China, are madly preparing for that day.