According to the statement the incident occurred at about 10:30 am local time when the girls were playing with an unexploded rocket in Alingar district.
The rocket was unexploded remnants of war from insurgents, statement said.
Four of the six girls were from one family.
UNAMA’s latest report, for the six month to June of this year, stated that 1,355 child casualties (363 deaths and 992 injured) were recorded in this time.
This was a 15 percent drop compared to the same period in 2017.
However, as UNAMA pointed out there was a decrease in child casualties from explosive remnants of war, but that 89 percent of civilian casualties from explosive remnants of war were children.
Source : Afghan Voice Agency(AVA)