SAfm — UNISA, Tshwane University of Technology and University of Pretoria workers who are protesting over the abolishment of outsourcing, permanent employment and 10-thousand rand salaries, were injured after police shot at them with rubber bullets as they arrived at University of Pretoria's main campus. Protesters had also planned to march to the Union Buildings but the march was disrupted when the police used stunt grenades to disperse them.