A female suicide bomber infiltrated the Dalori Internally Displaced Persons (IDPs) camp in the city of Maiduguri and detonated an explosive device, killing herself and five other people, Satomi Ahmad, head of the State Emergency Management Agency told reporters late on Wednesday.
Minutes after the first attack, a second bomber launched another suicide attack, which caused no casualties or any fatalities when she blew herself up into pieces, according to Satomi Ahmad.
The Boko Haram militant group has stepped up its campaign of suicide bombing using girls, usually veiled, to blow up targets in Nigeria's northeast.
Nigerian President Muhammadu Buhari recently said Boko Haram's wicked methods of using innocent children for suicide bomb attacks on soft targets are "the last kicks of a dying horse."
Buhari reiterated that Boko Haram had been degraded. But attacks have continued regardless of the country's military efforts.
The group has been trying since 2009 to establish an Islamic state in northeastern Nigeria. More than 15,000 people have been killed and millions displaced.