Yemeni protesters wave thier weapons as they take part in a demonstration in Yemen's militia-controlled capital, Sanaa, calling for presidential elections and for Ahmed Ali Abdullah Saleh (portrait), the son of Yemen's former president Ali Abdullah Saleh who stepped down in early 2012, to run as a candidate, on March 13, 2015. AFP PHOTO / MOHAMMED HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images)
