A FRESH ‘abuse of power’ row has erupted at the University of Aberdeen after students occupying a building over a pension wrangle have been forced to remain over night after it was claimed officers “reneged" on a free access agreement.http://www.heraldscotland.com/news/16084409.New_power_abuse_row_as_Scots_student_protesters__get_security_escort__to_do_the_toilet/