A police officer stops a car on the road leading to the Defence Ministry in Sanaa December 6, 2013. An al Qaeda-linked group has claimed responsibility for Thursday's attack on Yemen's defence ... more 
A police officer stops a car on the road leading to the Defence Ministry in Sanaa December 6, 2013. An al Qaeda-linked group has claimed responsibility for Thursday's attack on Yemen's defence ministry that killed at least 52 people, the country's worst militant assault in 18 months. REUTERS/Mohamed al-Sayaghi (YEMEN - Tags: POLITICS CIVIL UNREST MILITARY TRANSPORT) less 
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Reuters | Photo By MOHAMED AL-SAYAGHI / REUTERS
Fri, Dec 6, 2013 8:22 AM EST