12 May 2015 :

14 prisoners were hanged in Iran between May 6 and 7 for drug related charges.
On May 6, three prisoners were executed in the prison of Sari (Northern Iran), reported the official website of the Iranian Judiciary in Mazandaran Province.  None of them were identified by name. According to the sources Iran Human Rights (IHR) has been in contact with, 11 prisoners were executed on May 7 in the prison of Ghezelhesar (Karaj, west of Tehran). IHR is investigating about the identities of the prisoners.