Hyderabad, May 19 -- Eleven-year-old Parestesh Zaeri was standing on the upper floor of her primary school when the explosions began.

The force of the strike ripped through the building, collapsing the floor beneath her and throwing her into the rubble below. She survived after weeks in the hospital with severe burns. Her nine-year-old brother, Ali Asghar, was killed.

Their story was among the devastating accounts that emerged from the southern Iranian town of Minab, where residents spoke with Sky News, three months after a missile strike destroyed a primary school and killed at least 156 people - most of them children and teachers.

Witness accounts

The report documented what survivors described as scenes of "unspeakable horror."

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