The head of Tunisia’s opposition Islamist Ennahda movement, Rached Ghannouchi, began a hunger strike in prison to protest his detention along with other opposition figures, his lawyers said. Ghannouchi, 82, joins six other opposition figures who began a hunger strike on February 12. His defence team said in a statement on Monday that Ghannouchi urged Tunisians to push for “a free, democratic Tunisia”. “We hold the current authority responsible for the health of Rached Ghannouchi and all political prisoners who are on hunger strike,” the team said. Ghannouchi, a former head of Tunisia’s parliam…