People travel in a car with their belongings as they return after the Nigerian military recaptures the town of Michika from Boko Haram, Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

A military armoured tank is seen abandoned along a road after the Nigerian military recaptures the town of Michika from Boko Haram, Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

Local vigilantes walk while holding guns at a military checkpoint in the town of Gombi after the Nigerian military recaptures the surrounding towns from Boko Haram, Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

A local vigilante stands next to a broken signboard for the Federal Polytechnic at a junction in Mararaba, after the Nigerian military recaptures Michika and the surrounding towns from Boko Haram, Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

Women travel in the back of a truck in the town of Mararaba, after the Nigerian military recaptured it from Boko Haram, in Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

A girl walks past a destroyed mosque in the town of Mararaba, after the Nigerian military recaptured it from Boko Haram, in Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

A military vehicle with bullet holes is seen abandoned along a road in Bazza after the Nigerian military recaptures the town of Michika and surrounding villages from Boko Haram, Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

A broken satellite dish is seen at a destroyed residence in the town of Mararaba after the Nigerian military recaptured it from Boko Haram, in Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

People walk past a bank which locals say was looted by terrorist group Boko Haram, in Mubi, Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

People travel in a truck with their belongings as they return after the Nigerian military recaptures the town of Michika from Boko Haram, Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

A car drives through a road check after the Nigerian military recaptured the town of Michika from Boko Haram, Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

An armoured tank is seen abandoned along a road in Bazza town, after the Nigerian military recaptured it from Boko Haram, in Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

A burnt armour tank is seen abandoned along a road in Bazza town after the Nigerian military recaptured it from Boko Haram, in Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

A man rides a bicycle along a road in Michika town after the Nigerian military recaptured it from Boko Haram, in Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

A sign is seen inscribed on a wall in front of a shop in Michika town, after the Nigerian military recaptured it from Boko Haram, in Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

An armoured tank is seen abandoned along a road in Bazza town, after the Nigerian military recaptured it from Boko Haram, in Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

A cross sign inscribed at the entrance of a room is seen chiselled in a compound once occupied by Boko Haram in Michika town, after the Nigerian military recaptured it from Boko Haram, in Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

A woman sits in front of her home, once occupied by Boko Haram in Michika town, after the Nigerian military recaptured it from Boko Haram, in Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

A woman stands in front of a burnt building in Michika town, after the Nigerian military recaptured it from Boko Haram, in Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)

A local vigilante checks a vehicle at a check point in Michika town, after the Nigerian military recaptured it from Boko Haram, in Adamawa state May 10, 2015. (Photo by Akintunde Akinleye/Reuters)