TrackNews Online had reported that Attahiru and the military officers died on Friday in a Beechcraft 350 aircraft that crashed near the Kaduna international airport.
Meanwhile, the senior military officers have been buried at the national military cemetery in Abuja on Saturday.
Speaking on Monday when he received a delegation from the Nigeria Governors’ Forum (NGF) at the presidential villa, Buhari said he will continue to do his best to tackle the security challenges bedeviling the nation.
Buhari said: “This is a situation that only God knows when it will happen and it happened at a time when the security situation in the country is a fundamental issue.
“And to lose choice officers has increased our problem, but we know what we are in for and we will continue to work hard and pray hard so that God will give us the power to appreciate and apply ourselves to the problem.
“The people who elected us, they know the promises we made within the time; the circumstances which we find ourselves. We will keep on trying and continue to do our best.”
Speaking on the development, the governor of Ekiti and chairman of the NGF, Kayode Fayemi, said they came to the Presidential Villa on a condolence visit to the President.
Fayemi added that the death of the officers was a big blow, adding that the war against insecurity must be won.
