Security alert at Nelson Mandela Square & Sandton City

Liberty Group says the procedure is part of its disaster recovery and crisis management plans.

FILE: Sandton City. Picture: EWN.

JOHANESBURG - Nelson Mandela Square and the Sandton City complex have been placed on a heightened security alert this afternoon.

While details are still unclear, Liberty Group says the procedure is part of its disaster recovery and crisis management plans.

Centre management has appealed to patrons to alert them of any suspicious activity or unattended parcels.