Original sentence: The Police invasion of the University of Cape Town's upper-campus,  an event also known as UCT April because it occurred during April, 1987, marked the first time since 1972 that South Africa's police services crossed a line separating the country's 'bush' colleges and their predominately white counterparts.Until then, most unrest had occurred on 'black campuses'
Edited sentence: ", says one student who was there."I remember teargas, helicopters, rubber bullets and a lot of chaos.Police sjamboked women in the library and some Sasco students set a South African Breweries truck on fire.The Police invasion of the University of Cape Town's upper-campus,  an event also known as UCT April because it occurred during April, 1987, marked the first time since 1972 that South Africa's police services dared to cross a line separating the country's "bush" colleges and their predominately white counterparts.The extent to which there has been a cover-up of this event can be seen by the fact that an online exhibition of "protest at UCT" totally ignores one of the most shattering events to occur on campus in recent times.Until then, most unrest had occurred on "black campuses"