- Kayla Mueller's parents ask her captors to contact them privately
- Activists tell CNN that an airstrike in Syria kills 47 ISIS fighters
- U.S. officials have no evidence hostage Kayla Mueller killed
Amman, Jordan (CNN)Was an American hostage held in Syria killed by a Jordanian airstrike? That's what ISIS said in an online posting Friday, claiming that she died in the group's de facto capital, Raqqa.