Sign up for the MSNBC newsletter
You have been successfully added to our newsletter.
Let our news meet your inbox
US concerned about major attack by al Qaeda in Yemen
NBC's Pete Williams and Ayman Mohyeldin join MSNBC's Tamron Hall to discuss the latest on the terror threat which lead to the closure of diplomatic posts across the Middle East and North Africa and the State Department's warning for all U.S. citizens to evacuate Yemen.