Washington: The US-led coalition has carried out the first airstrikes on Daesh chemical weapons sites, the Pentagon said, acting on information from a senior operative described as the extremists’ top chemical expert.

The successful “multiple” bombings came as a result of detailed intelligence from Sulayman Dawud Al-Bakkar, also known as Abu Dawud, Pentagon press secretary Peter Cook said, confirming Dawud’s capture by US special forces in Iraq last month.

The snaring of Dawud, who was transferred Thursday into Iraqi custody after interrogation, appears to be a major boon in the fight against the Daesh group in Iraq and Syria, and Cook said it had yielded almost immediate results as well as critical information for the future.

Cook described Dawud as “Daesh emir of chemical and traditional weapons manufacturing.”

“His capture removed a key Daesh leader from the battlefield and provided the coalition with important information about Daesh’s chemical weapons capabilities,” Cook said, using an alternative acronym for the IS extremists.

“Through Dawud, the coalition learned details about ISIL’s chemical weapon facilities and production, as well as the people involved.

“The information has resulted in multiple coalition airstrikes that have disrupted and degraded Daesh’s ability to produce chemical weapons and will continue to inform our operations in the future.”

US media said that Dawud formerly worked for Saddam Hussein’s regime.