sentences:  The Taliban were met with cheers in the streets of Kabul, while Massoud and his troops fled back to Panjshir.In its first action, the Islamic militant group publicly hanged former president, Najibullah, and his brother, perceiving them to be puppets loyal to nations other than Afghanistan.All key government installations appeared to be in the Taliban's hands within hours, including the presidential palace and the ministries of defense, security and foreign affairs.