and it's operation that height at al jazeera in nigeria university students in their final year may not be able to graduate because of a staff walk out. lecturers are threatening to strike indefinitely if the government doesn't live up to promises. made more than a decade ago. i mean, the jewish reports from kana hallways, once bustling with student activity and are quiet. it's only days since public university teachers in nigeria walked off their jobs. but lecture halls already covered with dust. the government has expressed surprise, but the lecturers are unmoved. they can see their so phrases equally are no serious . i'm sure. an idea is our nose of rice because we did into a club or by night and said that, well, when australia, 13 years ago, educators and the government signed an agreement to and then the panoramic of strikes at nigerian universities. but teachers say, this was never implemented. in the past 20 years, there been nearly as many strikes by could have mixed off in nigeria and universities. the industrial dispute has disrupted academic calendars. as a result, students s