Tunis, Jumada I 13, 1437, Feb 22, 2016, SPA -- The Tunisian security authorities arrested today a terrorist cell which seeks to join terrorist groups hidden in a mountain. According to Tunisian News Agency, an official security source said that the terrorist cell aimed to carry out terrorist operations against key institutions in Tunisia. --SPA 21:09 LOCAL TIME 18:09 GMT www.spa.gov.sa/w