"Nnewi Explosion: Saraki Demands Thorough Investigation", 28 Dec 2015, 

President of the Senate, Bukola Saraki [in a statement], urged the relevant departments in the Ministry of Petroleum Resources to strengthen their safety awareness campaign, monitoring exercise and enforcement of regulations across the country to safeguard lives and property.He also called on the police and the Anambra State Government to thoroughly investigate both the remote and immediate causes of the [gas tanker explosion] incident so as to prevent future occurrence...Saraki said...'Clearly, this unfortunate incident could have been avoided if necessary preventive measures were put in place and safety rules applicable to such highly combustible operations were faithfully observed.' [refers to Chikason Group]