At Least 30 People Killed In Bombing At Afghan Girls' School

An explosion near a girls' school in Kabul, Afghanistan, killed at least 30 people, including many children, and wounded 50 others. The blast occurred as students were leaving school. Witnesses reported hearing three blasts. No group has claimed responsibility, but the Islamic State affiliate, known for targeting Shiite Muslims, is suspected. The Taliban denied involvement, suggesting only the Islamic State could be responsible.

What did witnesses report about the nature of the blasts?

Which group has previously targeted the neighborhood where the explosion occurred?