On Sunday, Iranian Revolutionary Guards announced that three people had been injured in a fire that broke out at the facility, which is an independent research centre, belonging to it in western Tehran, without specifying the causes.

"A fire broke out on Sunday afternoon at one of the Guards' independent research centres in western Tehran, injuring three of its employees," said a statement from the Revolutionary Guards' website, Spah News.

The notice did not specify the causes or location of the fire, nor did it provide further details about the facility damaged by the fire.

According to the same source, the centre's firefighters took control of the fire while the wounded were evacuated to the hospital.