More than 100 former Afghan national security forces and others have been killed since the Taliban takeover in August, most at the hands of the hardline Islamist group which is recruiting boy soldiers and quashing women's rights, the UN said on Tuesday.

Nada al-Nashif, UN Deputy High Commissioner for Human Rights, said that in addition, at least 50 suspected members of a local affiliate of Islamic State known as ISIS-Khorasan - an ideological foe of the Taliban - died by hanging and beheading.

In a speech to the Human Rights Council, she described Taliban rule...