DUBAI (Reuters) — Iran was largely cut off from the outside world on Friday after authorities blacked out the internet to curb expanding protests, with phone calls not reaching the country, flights cancelled and online Iranian news sites only intermittently updating. Supreme Leader Ayatollah Ali Khamenei accused protesters of acting on behalf of U.S. President Donald Trump, saying rioters were attacking public property and warning that Tehran would not tolerate people acting as “mercenaries for foreigners.” The protests, which began over an inflationary spiral, have not approached the scale of unrest three years ago but have spread across Iran with dozens reported dead and the authorities looking more vulnerable because of a dire economy and the aftermath of last year’s war with Israel and the United States. Iranian rights group Hengaw reported that a protest march after Friday prayers in Zahedan, where the Baluch minority predominates, was met by gunfire that wounded several people. Iran’s fragmented external opposition factions called for more protests on Friday with Reza Pahlavi,
