Government airstrikes targeting rebels in Nigeria’s northwest after an attack on a police division killed several civilians, authorities said Monday. The Nigerian air force did not disclose the number of civilians killed in the Safana area of Katsina state but spokesperson Olusola Akinboyewa said in a statement that an investigation was underway to verify the casualties.

The airstrike took place on Saturday and resulted in the death of a “senior finance and logistics official in the terrorist organization Hurras al-Din (HaD), an Al-Qaeda affiliate,” according