The death toll of victims of the Saturday night Naivasha tanker tragedy has risen to 43.

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This is after one of the victims succumbed to injuries at the Kenyatta National Hospital, Tuesday, a day after two other victims died while receiving treatment at the same facility.

National Disaster Operations director Nathan Kigotho said the deceased had severe burns resulted from the inferno. He further affirmed that health officers handling the surviving victims were handling their cases in a very careful way.

One surviving victim is still fighting for her life at the burns unit.

Kigotho however said identification exercise of persons who died in the grisly accident at Karai along Naivasha-Nakuru highway, was likely to take more time than two weeks, as earlier reported.

Speaking at the Chiromo Mortuary where the remains are being preserved, Kigotho noted some bodies were burned beyond recognition.

This, he said, is a situation that required DNA for positive identification, to avoid incidents where friends and families bury wrong bodies.

"We don't want situations where families pick bodies of persons who are not theirs, for burial. Already we have a body that is being claimed by more than one family, which means a DNA must be conducted to ascertain originality,'' Kigotho said, Tuesday.

The accident involved a Ugandan canter carrying flammable substances, which hit a bump, ramming into 13 vehicles, resulting into an inferno.