Gunmen, Suicide Bomber Attack Yemeni Defense Ministry

Smoke raises after an explosion at the Defense Ministry complex in Sana'a, Dec. 5, 2013.

A soldier mans a machine gun along a road leading to the Defense Ministry compound after an attack in Sana'a, Dec. 5, 2013.

This photo provided by Yemen's Defense Ministry shows damaged vehicles after an explosion at the Defense Ministry complex in Sana'a, Dec. 5, 2013.

This photo provided by Yemen's Defense Ministry shows a crater and damaged vehicles after an explosion at the Defense Ministry complex in Sana'a, Dec. 5, 2013.

Smoke raises from the Defense Ministry compound after an attack in Sana'a, Dec. 5, 2013.

Security personnel gather as firefighting trucks drive to the Defense Ministry compound after an attack in Sana'a, Dec. 5, 2013.