Boko haram in south africa
Nigerian govt slammed for 'inability' to protect citizens
A total of 16 villages were attacked last week by Boko Haram militants.
The military source said the militants stormed the village in Wednesday's reprisal attack.
Nigeria's government has reached a deal with Islamic militant group Boko Haram for a cease-fire.
Boko Haram has been left in effective control of a swathe of territory, according to witnesses.
A security source said the gunmen struck before dawn shooting dead residents.
The ISS says it is likely some of the terrorist group’s members are in the country.