Rayan Mishaal , the founder of “Amaq,” ISIS official news agency.

:: The brother of Rayan Mishaal, the founder of “Amaq,” ISIS official news agency, revealed on Facebook that his brother was killed in an air strike by the US-led coalition in the province of Deir ez-Zor in eastern Syria.

He said that the strike also killed his niece who was at home in the city of Mayadeen. However, the news cannot be verified. Amaq is the information and media outlet of ISIS broadcasts videos of attacks and videos declaring its responsibility for terrorist operations.

The real name of Mishaal is Mohammed Baraa Kadak. According to news reports, he joined ISIS in late 2013, and worked in the Aleppo News network before joining ISIS.