There were heavy explosions and sounds of firefights in some parts of Maiduguri, the Borno State capital on Tuesday evening.
Unknown number of casualties is believed to have been recorded, while very many people have been injured.
Commotion started about 5:45 pm when what was believed to be rocket propelled grenades were launched and gunshots followed around Kaleri behind the University of Maiduguri, Adam Kolo, Limanti and Kagarmari wards of the metropolis.
People have also reported hearing sounds of gunshots around Fori and Cashew plantation general area near Giwa military barracks.
It was believed that at least one major explosion happened in a location with lots of people, leading to yet undisclosed number of casualties.
A Rocket Propelled grenade was also believed to have landed into a densely populated area of Kaleri, killing yet unknown number of people and injuring many others.
Details later.
