<p>With less than a week to go until Iranians vote for their next president, incumbent Hassan Rouhani has been working hard on the campaign trail as he seeks a second term, rallying supporters to oppose his hardline opponents.</p><p>On Sunday, Rouhani touched down in the western Lorestan province</a> before addressing thousand of supporters, many of them clad in purple, at the university in Khorramabad.</p><p>This footage was shared by one of Rouhani’s supporters. He said crowds were shouting slogans demanding the release of reformist politicians Mir-Hossein Mousavi and Mehdi Karroubi, who have been held under house arrest since 2011. Both stood in the 2009 election that triggered mass protests over allegations of vote-rigging.</p><p>Iranians will cast their ballots on May 19, with a second round of voting to take place two weeks later if none of the candidates secure an absolute majority.</p><br />