The new charges were also brought against a former head of the department, Patience Mercia Mokhali (60), as well as Babereki Consulting Engineers and its director, Tshegolekae Motaung (59). The NPA.
Block was previously convicted of corruption and handed a 15-year sentence in 2015 for using his political influence to solicit bribes while serving as a Northern Cape provincial official.
Former ANC Northern Cape leader John Block was arrested by the Hawks on Tuesday and is due to appear in court in connection with a R51m tender fraud charge related to a mental health hospital construction project.