"'My grandmother swore that she had seen an ifrit"

 Ifrit, also known as efreet, afreet, ifreet, are supernatural beings found in Arabic and Islamic culture.

Well known for their strength and cunning, they are infernal djinn (genies), spirits below angels. 

Djinn, humans and angels are the three sentient creations of Allah. In the Qur'an, it is said that humans and djinn have free will. Like humans, djinn can be benevolent or cruel.  Djinn are described as being made of 'the fire of a scorching wind.'