Correctional Services spokesman Manelisi Wolela has denied allegations that student leader Mcebo Dla.
Britney Spears' one-time love rival, Shar Jackson, has gone to extremes to prove she's not expecting ex-boyfriend Kevin Federline's baby - she's had two pregnancy tests.
The actress-singer has publicly protested reports to the contrary, but is concerned people are still far from convinced.
So Jackson teamed up with US magazine In Touch to set the record straight.
On Friday last week Jackson took two pregnancy tests at her manager's office in Los Angeles - and both proved she's not expecting.
Jackson said: "What better way to document the truth than by taking a pregnancy test in front of America?" - Wenn