Longtime Islamic State spokesman Abu Muhammed al-Adnani was killed in Aleppo, Syria, the Amaq News Agency, the media arm of the terror group, said Tuesday.
He was “martyred while surveying the operations to repel the military campaigns against Aleppo,” Amaq said in a statement.
It is unclear whether he was killed by ground forces or in an airstrike, according to the BBC.
Amaq vowed revenge against the “filthy cowards in the sect of disbelief.” It said a generation raised in Islamic State-held territory would seek revenge.
Adnani, 39, had appeared in Islamic State media since 2011 and was one of its primary leaders to call for “lone wolf” attacks, the SITE Intelligence Group reported.
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SOURCE: USA Today, Jessica Durando