(CNN) -- An explosion rocked the entrance of a Yemeni city on Friday, causing several deaths and injuries, witnesses told CNN.
--snip--
The region has been riven with violence since a Shiite Muslim rebellion in June 2004, with thousands killed in the ensuing conflict.
In addition to the rebellion, security forces have also had to contend with attacks by al Qaeda -- the nation is the ancestral home of Osama bin Laden -- on foreigners.
More...
