A disgruntled schoolboy is suspected of posting doctored pornographic pictures featuring the school's discipline teacher on the Internet, a report said Friday.

A teacher who walked into the school's multimedia room stumbled upon a group of students gathered around a computer screen and was shocked to see the face of his colleague among couples in various compromising positions, the Star said.

The prime suspect was recently punished by the discipline teacher for breaking school rules. The headmaster has lodged a police report about the "poorly doctored" photographs, the paper reported. - AFP