Two men wearing explosive vests blew up themselves and scores more during Islam's major sacrificial festival to commemorate Abraham's slaughter of a sheep instead of his son.

ECONOMIST: Iraq and the Kurds

From March through May, troops in vehicles found 64 percent of improvised explosive devices before they blew up, an 11 percentage-point increase over the previous quarter.

CENTERFORSECURITYPOLICY: UAVs and the Boston Marathon

In their stolen SUV they had five pipe bombs and a pressure-cooker explosive like the ones that blew up at the marathon, Kelly said.

NPR: Police: Boston Suspects Planned To Attack New York