Six men have been arrested.
Untu says it has been inundated with videos of vandalism at various train stations across the country.
Last month, a KwaZulu-Natal teacher was arrested for allegedly kidnapping and murdering a 12-year-old pupil.
This follows an argument at Speedy Car Sales in Klerksdorp on Monday.
The deceased was approached by two unknown in Robertsham men who fired several shots at him.