Earlier this month, al-Shabab gunmen killed 148 people at a university in Kenya.
The destruction of Gwoza highlights how difficult it will be for the Nigerian government to rebuild.
Air force planes targeting the Islamist group hit two positions in a border area, a military spokesman said.
The official had reported his son missing last year, fearing that he had joined the militant group al-Shabab.
The warning followed a university massacre. One alleged gunman was identified as an official’s son.
The Somali Islamist group describes the attack as “retaliation” and warns of more bloodshed to come.
Survivors of the brutal college attack that left 148 dead recall running for their lives as Islamist militants stormed campus dormitories, shooting people and taking hostages.
More than 500 students were rescued after the Islamist militants attacked the campus, shooting some young people and taking others hostage.
Muhammadu Buhari says crushing the Islamist insurgency will be a priority.
Muhammadu Buhari stuck to a populist message and pulled off the first upset in 16 years of democracy.
The harsh warning came as the announcement of results in the hard-fought race began to trickle in.
Nigerians celebrated a relatively peaceful election day, but worried about fraud and possible violence.
Boko Haram insurgents pose a threat, as do voters who could erupt into protest if their candidate loses.
The reports came with elections just days away and the government claiming success in the multinational campaign against the militant group.
After losing 29 relatives, Josephine Dolley took in six orphans and is determined to provide for them despite Liberia’s economic crisis.