Explosions are reported in four neighborhoods in Aden . The Houthis say they have repelled the attack and that their forces will not leave until all of Yemen is under their control. Security had been tightened in Aden ahead of Tuesday 's vote , which features only one candidate , Vice President Abdurabu Mansur Hadi . Only Yemen 's vice president is on the ballot in Tuesday 's vote .
Explosions are reported in four neighborhoods in Aden . The Houthis say they have repelled the attack and that their forces will not leave until all of Yemen is under their control. Only Yemen 's vice president is on the ballot in Tuesday 's vote .