Gauteng police are searching for an unknown number of people following a cash-in-transit robbery on Monday.
The group held up a cash delivery van on the N3 at the London Road off-ramp towards Alexandra.
Two security guards were wounded.
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"A cash delivery van was reportedly accosted by suspects allegedly travelling in multiple vehicles. The suspects fled the scene in a Ford Ranger and a white Mercedes Benz with an undisclosed amount of money," police spokesperson Lieutenant-Colonel Robert Netshiunda told News24.
No arrests have been made, and police are investigating.