He died on Monday night, along with six other people, in his home in Umuahia.
Ugba and the others, including four children that came on holiday in his house, died after taking suya and fruit juice.
His wife was rushed unconscious to the Federal Medical Centre, Umuahia, where she is currently receiving medical treatment.
Reacting to the incident in a statement issued in Umuahia on Tuesday, the Commissioner for Information, Okiyi Kalu, advised relatives of the deceased persons to remain calm.
Kalu stated that government had contacted all the relevant agencies “to investigate the unfortunate incident”.
“We wish to call for calm and patience to enable the relevant medical authorities to properly determine the cause of the death of the seven persons,” he stated.
Ugba and six others were found dead on Monday morning in his home at Umueze Ibeku in Umuahia after they allegedly ate suya with fruit juice on Sunday night.
The only survivor in the family and first daughter of the deceased, Ijeoma, said she ate the suya but did not take the juice.