Correctional Services spokesman Manelisi Wolela has denied allegations that student leader Mcebo Dla.
A Boksburg hotel was evacuated after chemical smoke filled the washing area, ER24 said yesterday.
Spokesman Werner Vermaak said paramedics received a distress call from the Birchwood Hotel at about 10am.
It is believed that hydrogen peroxide had reacted and given off a chemical smoke. - Sapa