At least 10 persons were killed and 20 injured on Monday in a suicide attack that targeted a mosque in Nigeria's Maiduguri city.
According to local media reports, the attack was carried out by a woman who blew herself up in the mosque, reports Efe news.
No group has claimed responsibility for the attack.
This is the fifth attack by suicide bombers in less than a week in the same city.
On July 14, 19 people were killed in four near-simultaneous attacks carried out by women.