MARDAN: Following the deadliest attack on Bacha Khan University in Charsadda that killed at least 20 people including students and a professor, the Abdul Wali Khan University Mardan has been closed for an indefinite period. According to a notification, owing to security threats to educational institutions across Khyber Pakhtunkhwa AWKUM University authorities has decided to close the university for an indefinite period. At least 20 people including a professor and students were killed and 50 injured when terrorists launched attack on Bacha Khan University in Charsada this morning when a Mushaira was in progress in connection with death anniversary of Khan Abdul Ghaffar Khan. According to ISPR, Quick Response Force contingents of Pakistan Army have reached the University and engaged the terrorists. Army helicopters are also hovering over the university campus. A Professor of the university identified Hamid Hussain and 19 others has been martyred while 50 students have been rescued so far. 50 people including students have also been injured. ISPR said that four terrorists have been killed by security forces in operation against terrorist at Bacha Khan University Charsadda. According to DIG Mardan Police Saeed Wazir, operation is in progress against the terrorists. 18 dead bodies were shifted to District Headquarter Hospital Charsadda. Educational institutions across the Khyber Pakhtunkhwa were closed following Bacha Khan University attack. Emergency has been implemented in all the hospitals in Charsadda, Mardan and Peshawar following the terrorists attack on Bacha Khan University.