Iran candidates square off in first TV debate

The six candidates standing in Iran's presidential election squared off in their first ever live television debate Friday, with moderate President Hassan Rouhani coming under fire from a key rival.Televised debates are a relatively new feature of Iranian presidential elections, and are believed to have influenced the results of votes in 2009 and 2013.Ahead of the May 19 poll, the interior ministry had announced a ban on live television debates, triggering an outcry that prompted a reversal of it