JOHANNESBURG - A memorial service for the victims of the Lusikisiki shootings took place on Sunday.
Fifteen of the deceased were women.
The motive for this horrific act is still unknown.
Three suspects have been arrested in connection with the massacre for 18 people in Lusikisiki.
Police are also closing in on the fourth suspect.
The three who are already in custody will appear in court on Monday.
Minister Senzo Mchunu made this announcement at today's memorial service, and has not ruled out the involvement of more people in the killings.
Watch the event live in the stream above.