According to the AP, the two suspects in the Boston Marathon bombing killed an MIT police officer and hurled explosives at police in a car chase and gun battle overnight that left one dead and his brother on the loose.
The suspects were identified by law enforcement officials and a family member as Dzhokhar and Tamerlan Tsarnaev, brothers from a Russian region near Chechnya, which has been plagued by an Islamic insurgency that has carried out deadly bombings. They lived near Boston and had been in the U.S. for about a decade, an uncle said.
Tamerlan Tsarnaev, a 26-year-old who had been known to the FBI as Suspect No. 1 and was seen in surveillance footage in a black baseball cap, was killed overnight, officials said. His 19-year-old brother – dubbed Suspect No. 2 and seen wearing a white, backward baseball cap in the images from Monday’s deadly bombing at the marathon finish line – escaped.
The law enforcement officials spoke on condition of anonymity because of the sensitivity of the unfolding case.

China’s top diplomat agreed Saturday that nuclear weapons must be removed from the Korean peninsula amid the North’s heightened rhetoric with its missile and nuclear testing.
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As President Obama has halted funding for White House tours and Blue Angels performances, citing the budget sequester, he and First Wife Michelle geared up Tuesday for a star-studded, soul music concert in the White House that featured such celebs as Justin Timberlake, Queen Latifah, and the Reverend Al Green.
Seven-hundred special operations veterans, who spent their military careers preparing for and executing rescue and recovery missions of detained or threatened Americans, signed a letter to every member of the House of Representatives urging the legislators to support H.Res. 36, which will create a House Select Committee to investigate last September’s deadly terrorist attack in Benghazi, Libya.