Somali pirates are increasing the frequency of their attacks and targeting larger ships, targeting oil supertankers and grain cargo vessels. Experts explain the rise in modern-day piracy and the efforts among the international community to curb the problem.

Militants attacked the U.S. embassy in Yemen Wednesday, assaulting the structure with automatic weapons, rocket-propelled grenades and at least one suicide car bomb. Officials said the attack killed at least 16 people, including six assailants.

A military jury on Thursday sentenced Osama bin Laden's former driver, Samil Hamdan, to 5 1/2 years in prison, making him eligible for parole in six months. Hamdan was convicted Wednesday on charges of providing material support for terrorism.