As many as seven suicide bombers, six of them women, have blown themselves up while trying to attack the northeast Nigerian city of Maiduguri, according to emergency services officials.
Initial reports from Maiduguri had suggested a number of people were killed in the blasts near the Muna camp for displaced people shortly before 11:30pm (22:30 GMT) on Thursday.
But Mohammed Kanar, from the National Emergency Management Agency (NEMA), said on Friday there were no civilian or military casualties, as the would-be bombers arrived after the 10pm (21:00 GMT) curfew.
"People were indoors. There was no one on the streets," Kanar, who is NEMA's northeast coordinator, told AFP news agency.
"None of the six female bombers succeeded in their attacks. They ended up being killed in the explosions."
A man who dropped them off in his car then tried to ram a military checkpoint was also unsuccessful.
"He died in the process," said Kanar, referring to t