Boko Haram has stepped up cross-border attacks into Cameroon in recent weeks, including a number of high-profile kidnappings.
The trial of Czech businessman Radovan Krejcir and five others accused of kidnapping has been postponed until next week.
President Goodluck Jonathan says the kidnapping of schoolgirls by Boko Haram will mark a turning point in the battle against "terror" in the country.
Following Boko Haram's announcement that it's holding kidnapped schoolgirls as "slaves", international pressure has mounted to find and free them.
Gift of the Givers has admitted it has lost all means of communication with the al-Qaeda kidnappers of SA hostage Pierre Korkie.
Police are ready to arrest and interview suspects over Madeleine McCann's disappearance in Portugal, says her parents' spokesperson.
Czech businessperson Radovan Krejcir and his three co-accused's bail application has been postponed to hear testimony from the investigating officer.
Who exactly is Radovan Krejcir accused of kidnapping and assaulting, and is this the best the police could come up with?
A police detective has been arrested in connection with the alleged kidnapping that resulted in hip-hop star Khuli Chana's shooting.
Chinese police have rescued 92 children and two women kidnapped by a gang for sale.
Al-Qaeda militants are holding a South African couple abducted last month in Yemen's central city of Taiz, a top security official has said.
Unidentified gunmen have seized two South African citizens in the Yemeni city of Taiz, an interior ministry source has said.
Preliminary DNA results have confirmed that the man accused of kidnapping and raping three US woman had fathered the girl rescued with them this week.
A kidnapped French family are likely to have been separated into two groups by their abductors, says France, as Nigerian forces search for them.
Algerian troops have crossed into Mali to help government forces combat groups affiliated to al-Qaeda, officials and witnesses have said.
More than 300 suspected kidnappers have been arrested in Nigeria since February, the police chief said on Wednesday.
A five-year-old, who was kidnapped in Johannesburg on Sunday, has been reunited with his family, two radio stations reported on Tuesday.
Negotiations are continuing to secure the release of four SA peacekeepers who were abducted in Sudan, it was reported on Friday.
Four SA peacekeepers from the joint UN-AU mission who were kidnapped this week in Darfur are "in good health", the mission said on Friday.