According to the government spokesman, the hostages were released as troops launched an offensive on Boko Haram hideouts in four villages in Ngala local area.
It was gathered that the terrorist group stormed a football pitch where the soldiers were in five Hilux Toyota Pick-ups, drove straight to the unsuspecting troops and opened fire on them.
Channels TV reports that a top security source who begged to be anonymous said that eight soldiers including an officer and a civilian were killed in the attack. "Some others got injured", he said.
There was also claim that on Wednesday, around 10am, that the military conveyed copses of the soldiers killed to Damaturu in two military vans. They were said to have moved round the village opening and looting food items from shops.
A witness said the attackers, likely members of Boko Haram, "took the soldiers by surprise".
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Kayode Ogunsanya confirmed the attack but could not give details of the casualty figure.
"I can not ascertain the number of casualties just yet".
The source said: "I can authoritatively confirm to you that there was an attack at dawn yesterday at Sasawa and eight military personnel, including an officer as well as a civilian, were killed during the raid".
Olatokundo Adesanya further explained that the woman was thought to have died while representing her husband in a coordination meeting on October 19, 2017 with other guerrillas in an area that was a target of military attack.