Nigerian government troops killed 31 Boko Haram militants in operations, while more than 234 captives, consisting mainly children and women, were rescued from camps in the northeastern state of Borno, an army spokesman said.
Forty civilians, held hostage by the militants were freed from a militant camp in Bulagama, another 103 from Budumri and 181 from Bolungu village, all in the northeastern Borno state, military spokesman Colonel Sani Usman said.
"151 Task Force Battalion of the 21 Brigade, while on patrol, encountered Boko Haram terrorists at Budumri village during which they killed 25 Boko Haram terrorists and arrested eight other terrorists," he added.
Six militants were also killed and two others arrested in the Kukawa area of the state in two separate encounters, government forces recovered vehicles and ammunition.
Boko Haram has been battling the Nigerian Army since 2009, thousands of lives have been lost and more than 2 million displaced.
The radical group has pledged allegiance to DAESH, security agencies are unsure how deep the connection is.