Gunmen overpowered security staff at Bethel Baptist high school in Kaduna state
Gunmen have kidnapped 140 children from a boarding school in north-western Nigeria, a school official has said, in the latest in a wave of mass abductions targeting schoolchildren and students.
Heavily armed criminal gangs in north-west and central Nigeria often attack villages to loot, steal cattle and abduct people for ransom, but since the start of the year have increasingly targeted schools and colleges.