Tuesday morning, multiple bullets were fired at the scene of the explosion that rocked the Sabongari neighbourhood of Kano.
Security agents fired the bullets to disperse the unruly mob at the scene.
Earlier, some of the youths threw stones at the military, but the situation is now under control.
However, while our correspondent was providing a live report from the site, security personnel fired multiple shots into the air to disperse the gathering.
The Daily Trust has learned that as rescue attempts were underway, criminals began leveraging the chaos to break into shops and homes.
At the time of reporting this article, the evacuation exercise was still happening, and four casualties had already been confirmed.