Johannesburg - Robbery is thought to be the alleged motive behind a shooting on Johannesburg's M1 highway which resulted in an off-duty Hawks investigator and his passenger being shot and injured on Monday.
The attack on two parked security guards in Soweto‚ south of Johannesburg‚ was carried out by "heartless criminals with no regard for human life"‚ 24/7 Security Services said on Monday.
