Iran executed Farhad Fardini, Farzad Mirzaei and Samad Hashemi, who had previously been sentenced to death on drug-related charges, in Ghezel Hesar Prison in Karaj, Alborz Province, on 26 January.
Fardini, 35, Mirzaei, 45, and Hashemi, 45, all from the city of Harsin in Kermanshah Province, were arrested in November 2017 in a joint drug trafficking case and subsequently sentenced to death.
The three men were transferred to solitary confinement on 24 January in preparation for their executions.