The Yemeni authorities also darkly note that the Houthis' long-time leader, Hussein al-Houthi, who died in battle in 2004, used to visit Qom, one of Shia Iran's holiest cities.
Last year, the U.S Army Corps of Engineers installed more than 1, 000 solar-powered street lights in Fallujah, a predominantly Sunni city in central Iraq that was the scene of a brutal battle between insurgents and U.S. soldiers in 2004.