After remaining confined for four hours by the teachers, students over allegations of irregularities in recruitment process Vice-Chancellor of Pabna University of Science Technology, Dr M Rostom Ali was freed on Thursday evening. He was locked in his office room at the university until around 5:30 pm when he was released with the intervention of police, Rowshan Yazdani, Inspector (investigation) of Pabna police station. Police were deployed on the campus after being informed, he said. Also raed: Show-cause notices against 3 teachers: PUST students stage demo Due to his confinement a meeting of the PUST regent board scheduled today could not be held, said D Md Abdul Alim, Associate Professor of Bangla Department.