Yemen's ex-president Ali Abdullah Saleh (C) waves after giving a speech addressing his supporters during a rally as his General People's Congress party, marks 35 years since its founding, at Sabaeen Square in the capital Sanaa on August 24, 2017. 
The rally comes amid reports that armed supporters of Saleh and the head of the country's Huthi rebels, who have been allied against the Saudi-backed government since 2014, had spread throughout the capital as tensions are rising between the two sides. / AFP PHOTO / MOHAMMED HUWAIS        (Photo credit should read MOHAMMED HUWAIS/AFP/Getty Images)