PNG University of Technology in Lae Photo: Unitech The lockdown at Lae's University of Technology started on Sunday after the deaths of two academics - one the head of the Department of Mechanical Engineering, Dr Gabriel Arpa. Unitech's administration said the cause of their deaths is yet to be confirmed but both people had Covid-19 symptoms, The National newspaper reported. Unitech said as an interim precaution, they had decided to suspend all classes for two weeks and impose a total lockdown. The university, in PNG's second largest city, had also implemented the mandatory wearing of masks by students, staff and dependents while on campus, with no one allowed in public spaces without one.