At least two American citizens who were allegedly fighting with ISIS have been captured.
The Washington-backed Syrian Democratic Forces announced the capture in a statement on Sunday, saying that two Americans, along with three other foreign nationals, were taken in the city of Hajeen in eastern Syria near the last ISIS stronghold of Deir ez-Zor.
https://abcnews.go.com/International/american-texas-captured-fighting-isis-militia/story?id=60211846