Daily brief
The Nigerian army says its troops have killed at least 80 Islamist fighters, including three commanders from the Islamic State West Africa Province (ISWAP), during operations in Borno state.
At least 18 people were killed in a clash between a local vigilante group and armed bandits in Nigeria's Katsina state.
Survivors have recounted their ordeals following explosions in Maiduguri, as the country's service chiefs relocate to Borno state (ongoing coverage).
The Nigeria Security and Civil Defence Corps says it has uncovered an illegal crude oil dump site in Rivers State.
A local government chairman in Lagos is partnering with the Nigerian Navy to enhance security in the area.