At least 85 people, almost all of them young girls, have been killed in an air strike on a primary school in southern Iran, the Iranian judiciary said.

The attack on Saturday morning hit Shajareh Tayyebeh school in the city of Minab, in Hormozgan province, as the United States and Israel began launching strikes on targets across Iran.

The victims were between seven and 12 years old, according to Iran's Tasnim and Fars news agencies.

There were 170 female students at the school at the time of the attack. So far, at least 45 people have also been reported wounded.