Bahrain today called on its citizens not to travel to Iran "under any circumstances" because of street protests there.<br/>In a statement, the foreign ministry also urged any Bahrainis in the Islamic republic to leave immediately.'<br/><br/>It cautioned that Iran was seeing "large-scale disturbances and an unstable security situation" as well as "grave acts of violence".'Shiite Muslims, the majority in the small kingdom of Bahrain, generally travel to Iran for religious reasons.<br/><br/>Bahrain is the first Gulf Arab state to issue a travel warning for Iran since the protests broke out on Thursday. <br/>