Powerful explosions have rocked Maiduguri, the Borno State capital, leaving several people dead and injured.
The powerful explosions which occurred between 10:45 pm and 11:00pm on Tuesday night caused panic in the city, as it was felt all over the metropolis.
The first four powerful explosions was followed later by two other powerful ones.
The cause of the explosions is not yet known, and the number of casualties.
Unlike the previous explosions, the blasts produced a wide-range of sound, sending its powerful sounds to many parts of the metropolis, forcing roofs to shake.
The city which has been subjected to frequent attacks by suicide bombers in the past months had last Monday, female suicide bombers in several attacks in the city which killed 12 worshippers and injured others in a mosque.