Former Yemeni president Ali Abdullah Saleh attends a festival on the occasion of the first anniversary of the handover of power in Sanaa on February 27, 2013. Saleh affirmed his support for Yemen's unity in the face of calls by southerners for secession, which he said are backed by Iran.  AFP PHOTO/ MOHAMMED HUWAIS        (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images)