A Taliban resistance is forming in Afghanistan's Panjshir Valley led by vice president Amrullah Saleh and Ahmad Massoud, the son of a famed anti-Taliban fighter.
Burkina Faso's president declared three days of national mourning after suspected jihadists killed 47 people, including 30 civilians, in an attack in the north of the country.
US special operations forces have arrived in the east of DR Congo to help in the fight against a feared jihadist militia enjoying "sanctuary" in the region's nature parks.
The Hayat Tahrir al-Sham alliance, led by Al-Qaeda's former Syria affiliate, welcomed the Taliban takeover of Afghanistan, saying it hoped Syria's jihadists would also be victorious.