The Jaysh al-Muhajireen wal-Ansar (The Army of Emigrants and Helpers) was officially formed at the end of March, 2013. It began as three different groups, including the Kataeb al-Muhajireen (The Brigade of Emigrants), the Kataeb al Khattab (The Brigade of Khattab), and the Jaysh Muhammad (Army of Muhammad). The latter two were Syrian groups, while the first consisted of Chechens, Turks, Tajiks, Pakistanis, French, Egyptians, Moroccans, and others. A group of jihadists, including Chechens and Bangladeshis, were arrested in London in October 2012, planning to join the Muhajireen Brigade, and in March, a Swedish jihadist known as Abu Kamal as Swedee was killed while fighting with the Brigade.
Read the rest on SOFREP.