At least three members of a family were killed following an explosion triggered by Unexploded ordnance (UXO) in capital Kabul early Wednesday morning. 

The incident took place in the sixth district of Kabul city, leaving three people dead and two others injured. 

The incident took place in Charqala-e-Chardehi area of Kabul city. 

Preliminary investigation reports suggest that the unexploded ordnance was collected by the family, while collecting fire materials to heat their house, and the blast took place after the UXO was mistakenly placed inside the wooden heater. 

A woman, a young boy along with a kid were among those killed, and two others including a man were injured following the blast. 

Unexploded ordnance left behind mostly from civil war is threatening lives of a rising number of civilians, mostly children. 

According to the UN Mine Action Coordination Centre officials, over 53 Afghan civilians, mostly children, have been killed or injured by unexploded ordnance found near the old military bases and firing ranges since 2008.