By bne Tehran bureau Iranian leaders finalised the schedule for snap elections after the death of President Ebrahim Raisi in a helicopter crash, setting June 28 as the date for public vote, ISNA reported on May 21. Raisi died in a chopper incident on May 19, along with his Foreign Minister Hossein Amir-Abdollahian and six others on board, on his way back from a visit to East Azerbaijan Province. Several groups are now preparing the impromptu election campaigns, with several previous contenders expected to stand. Based on the 1979 Constitution, the first vice president, Mohammad Mokhber, has ta…