SANA'A, YEMEN - MARCH 20: People inspect the crime scene at Al-Hashoush Mosque after a bombing attack in Al Jaraf region of Sana'a, Yemen on March 20, 2015. At least 55 people were killed on Friday in two bombings targeting Houthi mosques in Yemeni capital Sanaa, a medical source has said. The two blasts struck the Badr and Al-Hashoush mosques frequented by supporters of the Shiite Houthi militants. (Photo by Mohammed Hamoud/Anadolu Agency/Getty Images)