For their safety and security, Pakistani nationals have been advised to avoid all unnecessary travel to Iran until conditions improve, Foreign Office Spokesperson Tahir Andrabi said in a press statement on Saturday. Pakistani nationals currently residing in Iran are urged to exercise extreme caution, remain vigilant, minimise non-essential travel, and stay in regular contact with the Pakistani missions using the contact details provided as follows: READ MORE: Iran’s rulers face legitimacy crisis amid spreading unrest Embassies of Pakistan in Iran Tehran +98-21-66-9413-88/89/90/91 (landline); +98-21-66-9448-88/90 (landline); +98 910 764 8298 (mobile) Zahidan: +98 54 33 22 3389 (landline); +989046145412 (mobile) Mashhad: +98 910 762 5302; +98 937 180 7175 The travel advisory has been issued as the demonstrations, which began in Tehran last month, have spread to all of Iran’s 31 provinces. With Iran’s anti-government unrest evolving rapidly and foreign pressure mounting, the clerical establishment appears unable, for now, to tackle what has become a crisis of legitimacy at the heart of the republic. Starting in Tehran with shopkeepers in the Grand Bazaar angered by a sharp slide in the rial currency, the latest protests now involve others - mainly young men rather than the women and girls who played a key role at the Amini protests. The U.S.-based Human Rights Activists News Agency (HRANA), has reported at least 34 protesters and four security personnel killed, and 2,200 arrested during the unrest, which analysts say highlights a deeper disillusionment with the Shia status quo.