KARACHI: Pakistan People’s Party (PPP) Chairman Bilawal Bhutto Zardari has expressed grave concern over the cold blooded murder of student Mashal Khan, inside the Khan Abdul Wali Khan University in Mardan. In a statement, the PPP chairman demanded the immediate arrest of the culprits involved in the condemnable mob act. Bilawal Bhutto said that such incidents in the universities were a big threat to our educational institutions and the government should take adequate steps to check such incidents in the future. The PPP chairman expressed sympathies with the parents and the family of the victim.