President Obama confirmed reports about a terror plot involving cargo planes, calling it a "credible terrorist threat" against two Jewish centers in Chicago and revealing that intercepted packages contained explosives.
Yemeni officials have detained a female medical student in her 20s who is suspected of sending explosive to the U.S. on cargo planes. The hunt is also on for Ibrahim Hassan al-Asiri, a 28-year-old bomb mastermind working with al Qaeda's Yemen branch.
