The Nigerian Air Force (NAF) has instituted a probe into alleged civilian casualty over the February 15 airstrike in Katsina State.NAF’s spokesman, Air Vice Marshal Olusola Akinboyewa, announced this in a statement yesterday in Abuja.The statement said the Chief of Air Staff (CAS), Air Marshal Hasan Abubakar, had ordered “a thorough investigation to verify the alleged civilian casualty to ensur...