An informed source from Nineveh province was cited in the Iraqi media reports as saying the women set herself and the children on fire.
It's not clear why the women killed herself and three children, he added.
Tal Afar, populated mainly by Sunni Turkmens, remains an ISIS stronghold in Nineveh province.
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30 July 2017 - 14:24
News ID: 845081
(AhlulBayt News Agency) - The wife of the ISIS Mufti in Tal Afar (nearly 60km west of Mosul) killed herself and her three children on Saturday.