The daughter, son-in-law and granddaughter of the Iranian Supreme Leader Ali Hosseini Khamenei were killed, the Fars News Agency reported Sunday, citing sources close to the leader's office.
Fars said the deaths were confirmed after contact was established with informed sources at the supreme leader's residence.
The agency also reported that one of the supreme leader's daughters-in-law was killed in a Saturday morning attack.
It did not provide details about the circumstances of the attack.