An explosion tore through a mosque during evening prayers on Wednesday in Maiduguri, the capital of Nigeria’s Borno state, a Reuters witness said. There was no immediate word on casualties or official comment.

An explosion struck a mosque during evening prayers in Maiduguri, Nigeria, with no immediate reports of casualties or official comment.No group has claimed responsibility, but the city has long faced attacks linked to the Boko Haram and ISWAP insurgency.

Nigeria police said Thursday that they suspected a suicide bomber was behind the blast that killed several worshippers in a mosque on Christmas eve in the country's northeastern Borno state.

President Trump said "numerous perfect strikes" had hit Islamic State militants in the West African nation of Nigeria.