Multan- Unidentified miscreants have sent a threatening letter to the Government Girls Primary School within limits of Alpa Police Station in Multan today. The miscreants have warned that they will blow up the school, if it is not closed. They stated that “Islam does not allow educating the girls.” According to sources, police have detained Imam Qari Hazoor Bakhsh of Jamia Masjid Chishtia in connection with this letter. Further interrogation is underway.