Suspected members of a radical Islamist sect threw bombs at a drinking spot in Nigeria’s northeastern town of Maiduguri on Sunday, killing around 25 people.
Witnesses said the attackers threw three sets of explosives from the back of motorbikes and appeared to be targeting police officers.
The National Emergency Management Agency said it was working with other rescue teams to evacuate the injured.
The military said the perpetrators were suspected members of the Boko Haram. The sect, which says it wants a wider application of strict Sharia Islamic law in Nigeria, claimed responsibility for a bomb blast 10 days ago outside the national police headquarters in the capital Abuja.
Boko Haram’s former leader, Mohammed Yusuf, was shot dead in police custody during a 2009 uprising in which hundreds were killed.
President Goodluck Jonathan, who was sworn in for his first full term in office a month ago, has voiced support for dialogue with the sect.