Story highlights Officials cast doubt on early reports of death toll

An Iraqi lawmaker says at least 200 Yazidis were killed Friday

A Yazidi political party puts that figure at more than 300

(CNN) ISIS militants killed at least 200 Yazidis near Mosul on Friday, an Iraqi lawmaker said Sunday.

The political party Yazidi Progress said the figure was higher, with more than 300 killed.

However, another Iraqi lawmaker and a Kurdish official said Tuesday they had no information supporting that claim , with the Kurdish official saying only six or seven Yazidis were killed Friday.

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The Yazidis are one of the world's smallest and oldest monotheistic religious minorities. Their religion is considered a pre-Islamic sect that draws from Christianity, Judaism and the ancient monotheistic religion of Zoroastrianism.

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