From The Daily Beast:

The head of al Qaeda’s branch in Yemen, which U.S. officials say poses the greatest terrorist threat to America, has been killed in a U.S. drone strike, according to Yemeni media reports and statements from the terrorist organization’s members. If Nasir al-Wuhayshi was killed—a claim that U.S. officials are so far not disputing—his death would be a significant blow to the already fragile al Qaeda terrorist organization. And it would be the second major hit in a matter of days on a key al Qaeda leader, following a series of U.S. airstrikes over the weekend in Libya that killed another notorious jihadist, Mokhtar Belmokhtar.