Islamabad, March 21 -- A Pakistani student was arrested Wednesday after stabbing his professor to death for organising a mixed-gender reception at a government college, police said.

Associate professor Khalid Hameed was killed Wednesday on the campus of Sadiq Egerton College in the southern city of Bahawalpur, a local police official told AFP.

"The professor had organised a gender mix reception for the new students and the event was supposed to take place tomorrow, on Thursday," he said.

According to the report registered with the police, a copy of which was seen by AFP, the student had shouted that he killed the professor because he was "spreading obscenity".

"The gender mix reception is against the teachings of Islam and I had warne...