With tensions high between Iran and the United States, analysts are warning against the danger of brinkmanship backfiring, which would have a serious effect on global energy supplies if a clash closes the maritime choke point of the Strait of Hormuz.

Deputy commander Mohammad Saleh Jokar of the Islamic Revolution Guards Corps - an elite military corps which the US designated a foreign terrorist organisation in April - said on Friday that Iran had options other than war or negotiation.