At least nine people have died in two bomb attacks in the city of Damaturu in north-eastern Nigeria.
The attackers are believed to have been an elderly woman and a 10-year-old girl.
Worshippers were targeted as they gathered to mark the end of Ramadan.
Yesterday, 50 people died at a market in Gombé, No group has said it was behind the attacks. However, attacks like this are usually attributed to the militant islamist group, Boko Haram.
Soldiers from Niger have killed at least 30 suspected Boko Haram fighters during a search for militants in villages on the Nigerian side of the border. The operation was launched in retaliation for the deaths of at least a dozen villagers in Niger earlier in the week.