'Boko Haram invisible cells are the main problem' - Opperman by Radio Sputnik published on 2015-03-11T10:58:02Z 'Boko Haram invisible cells are the main problem' - Jasmine Opperman Director of African Operations at the Terrorism Research and Analysis Consortium, South Africa. --- Nigeria has reclaimed some areas seized by Boko Haram militants in the country. With the help of foreign troops from Niger and Chad it has recaptured at least two towns from the militant group. The new joint ground and air offensive comes after Boko Haram pledged allegiance to Islamic State. The campaign also starts just weeks ahead of Nigerian presidential election to be held March 28th. Meanwhile, Boko Haram continued its attacks. Seven people were killed and 17 others were injured in a suspected suicide bomb attack at a market in the northeast Nigerian city of Maiduguri on Tuesday. The current Nigerian president has been criticized for failing to defeat Boko haram. Many are skeptical about the security concerns he cited earlier to delay the elections. The opposition said it was a way to help the ruling party stay in power. Genre bokoharam