The March and March Movement to pay tribute to slain Gauteng leader Somgaxa with memorial service and march for justice ahead of the funeral.
The Hawks has moved to correct media reports, confirming that Acting National Police Commissioner Lt-Gen Puleng Dimpane is not under investigation.
A senior South African police officer was dismissed for taking bribes and colluding with a businessman in a corruption scandal.
The acting national commissioner of SAPS has deployment additional specialised resources to investigate the shooting that left 12 people dead.
President Cyril Ramaphosa has placed National Police Commissioner General Fannie Masemola on precautionary suspension and appointed Lieutenant General Puleng Dimpane as acting Police Commissioner.