Fire on Monday destroyed the main office of ACTED, a non-governmental organization at Hai Neem in Juba.
An eyewitness said the fire was caused by a flash from the filling nozzle when a client supplied fuel for the office use, Bakhita Radio reported.
Fire Brigade Officer Salvatore Wani advised citizens to keep their surroundings clean to avoid fire outbreaks.
He said they have only one car not enough to rescue such situations, urging the government to provide more fire fighting equipments to ease their work.
The Officer said it was the second time the same area experienced fire outbreak.
ACTED management was unable to comment on the incident immediately, but the damage was huge.