Last of the captured British hostages Terry Waite waves at his arrival in Lyneham, on November 19, 1991, following their release in Lebanon. Iran resorted to hostage-taking during the latter stages of the Lebanese civil war in the 1980s, when scores of foreign nationals, including British hostages John McCarthy and Terry Waite, were seized as part of Tehran’s campaign to end Western intervention in the conflict. AFP

Iran can't keep using foreign nationals as bargaining chips