Widow of Islamic State leader charged over US hostage’s death

The widow of a former senior leader in the Islamic State (IS) group has been charged with conspiracy in the death of a US hostage, US authorities said.

Kayla Mueller was abducted when working in Aleppo, Syria and died last year.

The woman charged – 25-year-old Nisreen Assad Ibrahim Bahar, known as Umm Sayyaf – is currently in Iraqi custody.

Prosecutors say Sayyaf kept Ms Mueller captive, allowing her to be repeatedly raped by IS chief Abu Bakr al-Baghdadi.