Iranians are heading to the ballot box on Friday in a run-off presidential election that pits reformist candidate Masoud Pezeshkian against hardliner Saeed Jalili after last week’s vote failed to produce a clear winner. Some 61 million people are eligible to vote for a successor to president Ebrahim Raisi, who died in a helicopter accident in May. Polling stations open at 8 am (0430 GMT) and close at 6 pm, although authorities could allow them stay open later. The first results are expected on Saturday. Turnout in last week’s vote hit a record low and none of the candidates gained an absolute …