The family, originally from Ghazni province, reportedly operated a small restaurant in the area.
In a statement, Karzai expressed condolences to the families of those killed and wished a swift recovery to those injured.
Nearly 60 percent had also suffered physical injuries, many of which continued to affect them for months, years or even decades.
The rights group further said that Pakistani mortar and artillery fire has forced the closure of 19 health facilities, worsening humanitarian conditions in areas already affected...
Britain’s Ministry of Defence has denied wrongdoing by the military as an institution but has faced criticism over attempts to limit the release of evidence presented...
So far, the Islamic Emirate of Afghanistan has not commented on the reported aid shipment.