 Complete the following phrase:  Like several other Turkmen FSA units, the Muntasir Billah Brigade moved at least part of its forces from Aleppo city to support the Turkish-led Operation Euphrates Shield in November 2016. This further weakened the last rebel resistance in the city, which was fully retaken by government forces in the following December. A senior official of the Muntasir Billah Brigade justified the retreat by arguing that the rebel defeat in Aleppo had become inevitable anyway. The group arrested three Syrian Army soldiers near al-Bab in May 2017, reportedly to prevent them from looting a village. In early 2018, the militia took part in 