JOHANNESBURG - One person is being questioned by police in connection with the death of police general Sindile Mfazi.
His death in 2021 is now being investigated as a murder.
On Monday night, police raided several premises in Gauteng and seized electronic devices.
READ: Poison traces lead to murder probe in top cop's 2021 death
Mfazi was initially reported to have died from Covid-19 complications, but investigators now say there are suspicious circumstances surrounding his death.
His family have consistently maintained that he was poisoned during his tenure as deputy national police commissioner.
Police spokesperson Athlenda Mathe said the investigation is both delicate and sensitive.
“We wouldn’t want to divulge too much at this stage. Operations are ongoing,” she said.