THE inquest case opened after the death of Zulu King Goodwill Zwelithini's son Prince Lethukuthula Zulu has now been converted to a murder based on preliminary evidence.

This is according to Gauteng police spokeswoman Brigadier Mathapelo Peters.

In a statement, Peters said: "The inquest docket that was opened at Honeydew SAPS on Friday to further investigate the circumstances surrounding the death of Prince Lethukuthula at Graceland Residential Complex in Northworld, has now been converted to a murder case based on preliminary evidence emerging from the initial investigation.

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"Confirmation of the exact cause of death is dependent on the postmortem that is yet to be concluded."

Brigadier also said that a case of theft has also been opened for investigation alongside the murder case following reports that several valuables and an undisclosed amount of cash had been stolen.

Condolences continue to filter in for the family of King Zwelithini following the loss of his son Prince Lethukuthula Zwelithini on Friday.

From Ithala Soc Limited, Chairman of the Board Sbonelo Mkhize, CEO Thulani Vilakazi, together with the Exco and staff extended condolences to King Zwelithini and Queen Sibongile MaDlamini on the untimely passing away of the firstborn son, Prince Lethukuthula.

"Prince Lethukuthula played a significant role in the affirmation of traditional values and leadership and in the development of the Zulu Kingdom.

"We share in this painful time with the Zulu nation as well as the South African nation and stand in support of all who are grieving.

"We pray for the royal family as they walk through this painful valley of loss and wish them an abundance of peace and comfort during this difficult time," read the statement.

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Daily Sun previously reported that several sources within the complex said they suspected criminal elements at play and blamed a robbery gone wrong.

The body of the king’s eldest son was discovered by the security personnel of the complex on Friday afternoon after several neighbours alerted them about the anomaly of his locked door and broken window.

This after several neighbours reported having heard a commotion that happened at his flat in the wee hours of Friday morning.