Report says explosion was said to have occurred at the motor park of Abuja Urban Mass Transport Agency, operators of the popular El-Rufai buses.
As at the time of this report, several of the El_Rufai buses were said to be on fire.
Scores of the passengers are reportedly killed while several others sustained several degrees of injuries.
Meanwhile, the Abuja-Karu road has been blocked with heavy traffic.
According to the sketchy information, the development had sent some persons scampering for safety in the area.
People coming from Nasawara State have been advised to stay back.