ISIS has announced Abu Musab Al-Barnawi as the bee leader of its West Africa wing ISWAP popularly known as Boko Haram. Abu Musab al-Barnawi, who was previously spokesman for the Nigerian-based Islamists, is featured in the latest issue of an IS magazine.
It makes no reference to Abubakar Shekau, Boko Haram's leader since 2009. He was last heard from in an audio message last August, saying
he was alive and had not been replaced - an IS video released in April said the same. Boko Haram, which has lost most of the territory it controlled 18
months ago, is fighting to overthrow Nigeria's government.
Its seven-year insurgency has left 20,000 people dead, mainly in the country's north-east. Mr Shekau took over as the group's leader after its founder, Muhammad Yusuf, died in Nigerian police custody in July 2009. Under his leadership Boko Haram became more radical, carried out more killings and swore allegiance to IS in March 2015.
In numerous videos, Mr Shekau taunted the Nigerian authorities, celebrating the group's violent acts including the abduction of the more than 200 Chibok schoolgirls in April 2014. Nigeria's army has claimed to have killed him on several