The closure of Khulna University of Engineering and Technology (Kuet) has been extended till December 23 amid tension gripping the campus over the unusual death of Prof. Dr Mohammad Selim Hossain. The decision was taken at a virtual meeting of Kuet syndicate on Sunday night, said spokesperson of KUET’s Public Relations and Information Department Robiul Islam Sohag. Read: Prof Hossain's death: KUET temporarily suspends 9 students Earlier on December 3, the university was declared closed till December 13 over the death of Prof. Dr Selim Hossain allegedly due to mental torture and harassment of Bangladesh Chhatra League (BCL) activists. The students were asked to leave their residential halls by 4:00 pm on that day.  Besides, a five-member probe committee was formed over the death which was asked to submit its report within 10 days.  But the committee could not complete the investigation by this time. Considering the recommendation of the probe body, the authorities extended the closure of the institution. Prof Selim, 38, a teacher of the Electrical and Electronics Engineering (EEE) department at the university, was also the provost of Lalan Shah Hall.  Read: KUET BCL tries to distance itself from professor’s death after meeting According to faculty members of the university, Prof Selim died hours after some Chhatra League activists led by Sadman Nahyan Sejan, general secretary of Kuet Chhatra League, allegedly confined the teacher to his office and mentally tortured him to accept their choice as dining manager of Lalan Shah Hall for December. During this confinement the teacher was allegedly subjected to abuses, humiliation and threat, his colleagues said.