A grenade blast near a school complex in the Afghan capital wounds at least 42 children, the UN says

Children between 9 and 14 years old were hurt in an incident. The United Nations reported that at least 42 youngsters were wounded. The circumstances of what happened are not entirely clear. An investigation is underway to find out more. Further information about the explosion can be found from the UN, which has called for a probe into the incident that harmed numerous children.