The insurgents during the attack also burnt the offices of the aid workers, destroyed government facilities, and hospitals belonging to NGOs.
An eyewitness told Channels Television that the insurgents stormed the town at 5:30 pm on Monday evening, and have since been in control of the town.
The eyewitness said troops have been battling to dislodge the town throughout the night.
Reinforcement from Ajiri town was ambushed by the insurgents in the early hours of Tuesday which slowed every attempt to engage the Boko Haram insurgents when they struck.
Some aid workers who spoke to Channels Television from the town narrated how the insurgents set ablaze buildings and health facilities belonging to humanitarian workers.
Zulum left Maiduguri on Wednesday, a day after Marte was liberated, and proceeded to Dikwa where he stayed till Saturday, proceeded to Ngala, and returned to Maiduguri on Sunday.
Channels Television gathered from sources stuck in Dikwa that the insurgents are currently moving freely in the town, and have mounted a checkpoint at the exit preventing people from fleeing to Maiduguri.
The Chief of Army staff had recently visited the headquarters of the Army Super Camp 9 located in Dikwa, where he gave troops a 48-hour ultimatum to clear insurgents from neighboring Marte local government.
At least 35,000 people had fled Marte to Dikwa when the insurgents attacked.