The movements of the supreme leader, who has not left Iran since he took power, are subject to the tightest security and secrecy. Edition: Singapore Indonesia Asia US/UK HOLON: Israel's defence minister said on Thursday (Jun 19) that Iran's supreme leader Ayatollah Ali Khamenei "can no longer be allowed to exist", just days after reports that Washington vetoed Israeli plans to assassinate him. The comments from Defence Minister Israel Katz came after the Soroka Hospital in the southern city of