The Nigerian militant group continues to recruit young girls to carry out suicide attacks.
Abubakar Shekau, a jihadi with a $7 million U.S. bounty on his head, continues to give Nigeria's military the slip.
The damage is almost equivalent to the entire GDP of the U.S. island territory of Guam.
The dogs prevented the bombers from entering the hospital, forcing them to detonate their devices early.
The ISIS-linked group, while holding less territory, has remained a deadly rival to the country's government.
Somalia's Al-Qaeda affiliate killed 4,300 people in 2016, making it Africa's biggest militant threat.
The Sultan of Sokoto said that the almajiri system, where children beg to fund an education in the Koran, was not part of Islam.
Despite help from the U.S., two successive Nigerian presidents have failed to liberate the vast majority of girls captured by Boko Haram.
The Nigerian military has said it killed Shekau on at least three occasions.
Seven suicide bombers blew themselves up near a refugee camp on Friday.
Abubakar Shekau leads a faction of the Nigerian militant group after it splintered in 2016.
Several people have been killed in the blasts, one of which occurred at a university mosque.
Military is closing in on Sambisa Forest, the group's remote final stronghold.
After attacks across the region, Nigerian and regional military forces have forced Boko Haram into a remote hideout.
More than two years on, 196 Chibok girls remain missing.
The ISIS-allied faction of Boko Haram is reportedly holding a large group of the girls.
The Nigerian military said it had "fatally wounded" Shekau in August.
Abubakar Shekau, the group's leader, does not appear in the Eid video.
Ahmad Salkida was accused by the Nigerian military of concealing information about the whereabouts of the Chibok girls.
The Nigerian military is planning a large offensive on the group's final stronghold in the near future.