Open this photo in gallery: Tunisian soldiers secure an area near the Ghriba synagogue following a shootout on the resort island of Djerba on May 10.FETHI BELAID/AFP/Getty Images The death toll from a synagogue gun attack on the Tunisian island of Djerba during an annual Jewish pilgrimage has risen to five, Tunisia’s TAP news agency said Wednesday. Two Jewish pilgrims and three Tunisian police guards were shot dead during the firing spree at the Ghriba synagogue Tuesday. Tunisian authorities opened an investigation into the attack, and it wasn’t known if the Jewish pilgrims were specifically targeted by the gunman, who...