There was sustained panic in Offa, Kwara State, following explosions in the town on Thursday night.
The explosions destroyed several properties and caused chaos.
It came hours after the US launched airstrikes against ISIS targets in northwest Nigeria.
The incident in Offa happened at two separate locations around midnight.
The first affected several buildings around the Eid praying ground area, while the second occurred near Solid Worth Hotel, located about a five-minute walk from the initial site.
Confirming the incident, the Chief Press Secretary to the Chairman of Offa Local Government, Abiola Azeez Babatunde, said: “The Offa local government has taken note of reports circulating regarding a suspected ordnance-related incident that occurred in the precinct of Offa Yidi Praying Ground on December 25, 2025.
“The affected areas have been cordoned off by security agencies to allow for thorough investigation.”