The terrorists were said to have sneaked into the barracks in a tricycle and detonated the explosives strapped to their bodies.
According to The Cable which cited a military source, suicide bombers sneaked into the barracks in a tricycle and detonated explosives at a relaxation spot.
"The attackers took advantage of the high influx into the mammy market as a result of the demolition of brothels in the city," the source said.
"The Borno state government has destroyed brothels in the city centre, people now troop to the barracks which is still full of life. The suicide bombers sneaked in and struck within the crowd."
Many people were said to have been killed in the attack while scores of others sustained injuries. The wounded persons have been evacuated to the Maiduguri Specialist Hospital.
"I cannot ascertain the number of dead people. We all ran for our dear life," he said.
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The attack comes four days after 31 people were killed while 84 sustained injuries in multiple suicide attacks in Damboa local government area of Borno.