Shiite rebels have been strengthening control of Yemen's capital city of Sana'a in recent weeks, as Houthi rebels have demanded an equal share in the country's government.
The U.S. currently backs Yemen's president in part because he is seen as an ally in the fight against al-Qaeda, but the uncertainty between the current administration and the rebels leaves the future of the Arab world's most impoverished nation up in the air
Here are some of the key things to know about Yemen's current power struggle and its ripple effect on the country's stability. Read more...
Who are the Houthis?
More about Yemen, Us World, World, Houthi, and Houthis
