An Iranian thug has been blinded as punishment for throwing acid in the face of a four-year-old girl who then lost her sight.

It was the second time this year that Iran had carried out the strict eye-for-eye punishment that can be imposed for such crimes in the Islamic republic.

The law of retribution is a central part of Islam’s sharia code but has been condemned by international human rights groups.

The head of criminal affairs for the Tehran prosecutor’s office, Mohammad Shahriari, said: ‘In 2009, this man threw lime into the face of a little girl of four years in the Sanandaj region, leaving her blind.