Iran’s political leadership has held a crisis meeting as protests across the country gain intensity, unleashed by the death of a woman in custody for failing to follow the Islamic dress code nearly a month ago. President Ebrahim Raisi, the speaker of parliament and the head of the judiciary took part in the meeting, the presidential office said on Sunday. They called on the people to preserve national unity and stand against the “hostile plots” of the enemies of the Islamic system, in a joint press statement issued by the presidential office. Iran has been swept by protests for weeks following…