The incident occurred in Kwamba, Suleja Local Government Area.
In a statement issued in confirmation of the incident, the Director General Niger State Emergency Management Agency (NSEMA), Ahmed Inga, said a seven-day old child and another seven-year old girl were victims.
Mr Inga said that the incident occurred at about 9:30pm local time on May 11.
He also stated that the mother of the two deceased minors was also injured in the incident.
The naming ceremony of the seven-day old deceased had been schedule to take place on May 12.
“The owner of the collapsed wall was given warning by his neighbours of the poor structure of the wall, but refused to yield to the advice.
“It was not windstorm that lead to the collapse of the fence but the sub-standard materials used in the construction of the fences,” the statement read.
The mother of the deceased is responding to treatment, Mr Mr Inga also stated.
According to the NSEMA official, the government would take full responsibility of her medical treatment.
He also appealed to the public to respect government laws, stressing that appropriate punishment awaited any act of negligence displayed by owners of building or the contractor.
Mr Inga also made a cash support of 50,000 Naira to the mother of the deceased on behalf of the State Governor, Mr Abubakar Bello, for medical treatment.
He prayed that God would grant the deceased eternal rest and the family the fortitude to bear the loss.