At least seven people have been killed after suicide bombers detonated improvised explosive devices (IEDs) in two internally displaced persons (IDPs) camps, in Dalori, Maiduguri, the Borno State capital.

15 others sustained injuries in the attack which occurred on Sunday night.

It was gathered that the first blast occurred around 9pm after a female suicide bomber failed to climb the fence of one of the camps. She died after detonating the IED strapped to her body.

An official of the Borno State Emergency  Management Agency (SEMA), said the second blast occurred at 11:15pm.

He said four persons were killed in the second incident and that a t total of seven persons were killed, including the suicide bombers.

The official said the 15 IDPs who sustained injuries had been taken to the State Specialist Hospital for treatment, while those of them with minor injuries were treated at the camp clinic.

A competent security source had earlier told the news agency that a female suicide bomber was shot by security men when she tried to cross the perimeter fence at the camp.

“They shot her and the explosive device strapped to her body detonated, and blew the woman into pieces,” the source said.

The source added that a male suicide bomber had also infiltrated the camp and detonated the explosives strapped to his body and killed four persons.

“Two persons died on the spot while two others died at the hospital,” the source added.

No group has claimed the incident but members of Boko Haram have carried out similar attacks in the past.

Counter-terrorism operations have continued in the northeast to contain the activities of the dissident group, but they have resorted to attacking soft targets with suicide bombers.

Troops' efforts are yielding results, as some members of the group surrendered to troops in the region over the weekend.

More security effort is however needed at camps to ensure that IDPs find peace in those camps, as they try to begin afresh after being sacked from their communities by Boko Haram, seeking an Islamic State and an end to Western education in the region.