Police said they arrested Liaquat Usman yesterday on a complaint that he hadposted blasphemous material on his Facebook account.
According to Usman's wife, aresident of Nabipura Sheikhupura district some 50 kilometers from here, her husband had a fight with some Muslim boys over teasing of girls in the locality.
"My husband stopped some boys from teasing girl students. A couple of days ago the boys manhandled Usman. Instead of arresting the boys, police arrested Usman saying a complaint against him has been lodged for committing blasphemy," she said.
"The man who allegedly tagged the blasphemous post on Usman's Facebook account is living abroad," he said, adding further investigation is underway and an FIR will be registered in the light of its finding.
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Blasphemy is an extremely sensitive issue in Pakistan where 97 per cent of the population is Muslim.
Two high-profile politicians - then Punjab governor Salmaan Taseer and minorities minister Shahbaz Bhatti - were murdered in 2011 after calling for reforms to the blasphemy law.