Two men linked to the gang that killed a man from Salford in Syria have been captured.
Alan Henning from Eccles was taken hostage while on an aid mission to the country.
He was later executed.
Alexanda Kotey and El Shafee Elsheikh are said to be one half of the infamous four-man extremist group dubbed 'The Beatles' for their British accents.
Kotey, 34, and Elsheikh, 29, were detained by Syrian Kurdish fighters, according to US officials cited anonymously by the New York Times.
A State Department spokesperson told ITV News: "Where appropriate, our interagency partners are working closely with our Coalition partner nations on the disposition of detainees in SDF detention.
"These diplomatic discussions are private and we have nothing additional to provide."
The pair are said to be one half of the infamous four-man extremist group dubbed 'The Beatles' for their British accents, alongside their ringleader Mohammed Emwazi - popularly known as "Jihadi John" - and Aine Davis.
All four had lived and grown up in west London.