Muhimman proudly writes his name slowly, carefully, one letter at a time, grinning broadly as he finishes. He's just 11 years old and was a good student who had dreams of being a doctor.
School frightens him now. Earlier this year, a cleric at the religious school he faithfully attended in the southern Punjab town of Pakpattan took him into a washroom and tried to rape him.
Muhimman's aunt, Shazia, who wanted only her first name used, said she believes the abuse of young children is endemic in Pakistan's religious schools.
She said she has known the cleric, Moeed Shah, since she was a little girl and describes him as an habitual abuser who used to ask little girls to pull up their shirts.
"He has done wrong with boys and also with two or three girls," Shazia said, recalling one girl the cleric brutalised so badly he broke her back.
An investigation by The Associated Press found dozens of police reports, alleging sexual harassment, rape and physical abuse by Islamic clerics teaching in madrassas or religious schools throughout Pakistan, where many of the country's poorest study.
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The AP also documented cases of abuse through interviews with law enforcement officials, abuse victims and their parents. The alleged victims who spoke for this story did so with the understanding only their first names would be used.
There are more than 22,000 registered madrassas in Pakistan, teaching more than 2 million children. But there are many more religious schools that are unregistered.
They are typically started by a local cleric in a poor neighbourhood, attracting students with a promise of a meal and free lodging. There is no central body of clerics that governs madrassas.
The government of Prime Minister Imran Khan has promised to modernize the curriculum and make the madrassas more accountable, but there is little oversight.
Police say the problem of sexual abuse of children by clerics is pervasive and the scores of police reports they have received are just the tip of the iceberg. Yet despite the dozens of reports, none have resulted in the conviction of a cleric.
Religious clerics are a powerful group in Pakistan and they close ranks when allegations of abuse are brought against one of them. They have been able to hide the widespread abuse by accusing victims of blasphemy or defamation of Islam.
Families in Pakistan are often coerced into "forgiving" clerics, said Deputy Police Superintendent Sadiq Baloch, speaking in his office in the country's northwest, toward the border with Afghanistan.
"It is the hypocrisy of some of these mullahs, who wear the long beard and take on the cloak of piety only to do these horrible acts behind closed doors, while openly they criticise those who are clean shaven, who are liberal and open minded," Baloch said. "In our society so many of these men, who say they are religious, are involved in these immoral activities."
At the hospital, Dr Faisal Manan Salarzai said Yaous screamed each time he tried to approach him. Yaous was so small and frail looking, Salarzai called him the "baby."
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