15 September 2015 :

Seven prisoners have been hanged in Birjand and Tabriz Prisons in the last days.
On September 5, a prisoner identified as Davoud Pourahmadian was reportedly hanged to death for murder at Tabriz Central Prison.
According to Khorassan News, an Iranian official source, a 32-year-old prisoner charged with murder and 17 counts of robbery was hanged at Birjand Central Prison in the morning of September 9.
According to Kurdistan Human Rights Network, an unofficial source, 5 prisoners were hanged to death on September 9 at Tabriz Central Prison: 4 for drug related offenses and 1 for murder. 
The names of the prisoners with drug related charges have been identified as Hojatoleslami, Sajjad Maghsoodi, Vali Narimani and Nasser Hosseinzadeh. 
The name of the prisoner charged with murder has been identified as Mohammad Ali Yousefi.