A multinational group of experts in espionage and intelligence are in Nigerian territory to cooperate in the search for the more than 200 students, ages 17 and 18, kidnapped on 14 April by the radical group Boko Haram. In the same work U.S. drone flying over the African country are engaged, as acknowledged by a senior official of the Obama administration, adding that satellite images also shared with Nigerians.

The group threatened to sell the youth as slaves last week, which has generated concern among world personalities, political leaders, activists and celebrities from around the world are mobilized to demand the release of students through the hashtag # bringbackourgirls.

United States has established in Abuja, Nigeria’s capital, a team of five staff from the Department of State, 16 military experts and four representatives of the FBI. UK has sent specialists in counter-terrorism and espionage to work alongside Americans. France, Canada and China have partners working on the ground. Spain has also offered to four police experts in African networks. The High Representative for Foreign Policy Catherine Ashton said Monday that the EU has up to 10 million euros available dedicated to the fight against terrorism.

Last week, the Deputy Secretary of U.S. State for African Affairs, Linda Thomas- Greenfield told Reuters that Nigeria had asked the knowledge of U.S. intelligence. The White House spokesman Jay Carney said Monday that the Pentagon spy provides that support, but would not say if that includes flying drone or drones. The U.S. Defense Department has at its disposal that can track satellites zone of northeastern Nigeria and other remote areas of Chad and Cameroon, where it is believed they could be kidnapped retained students Chibok a high school in the state of Borno mainly Christian.

Boko Haram released on Monday a new video in which, for the first time, shows pictures of his hostages reciting a sura of the Qur’an and in which its leader, Abubakar Shekau, states that only be released by a young prisoner exchange. Nigeria ‘s government maintains¬† “all options,” open according to Mike Omeri, director general of the National Orientation Agency (NOA). He added: ” If we need to use any kind of action to free girls from captivity, we will.”