The United Nations Children's Fund, UNICEF, has announced that approximately 500,000 children have been displaced by Boko Haram militans in Nigeria, Cameroon, Chad and Niger since last five months.
The number of children who have been forced to flee Boko Haram, have increased to 1.4 million according to UNICEF reseach.
According to the report, just in Nigeria around 1.2 million children, half of them under five years old, have been forced to move away from their homes, and nearly 265,000 children have been dispatched in Cameroon, Chad and Niger.
At least 15,000 people have been killed in Nigeria by Boko Haram militants since Muhammadu Buhari became Nigerian president on May 29.
Boko Haram captured some territory in northern Nigeria and in some other neighbouring countries but recently they have lost control of most of the area. They have used guerrilla tactics to bomb and set fire to mosques, markets, malls and bus stations.
Meanwhile Nigeria and its neighbours have struggled to repel Boko Haram militans within their countries. Nigerien security minister said that 643 people, reportedly having ties with Boko Haram, have been detained since February, 2015.
Boko Haram was founded in 2002 and have oganized militants attack in Nigeria, Cameroon, Chad and Niger since 2009.