A online post shows one hostage holding a photo of what appears to be the body of the other . The video was posted on YouTube by an account called Islamic State in Iraq and Syria (ISIS), which has been linked with several recent attacks against Western targets. The voice of a person claiming to be Goto speaks over the image , saying in English that Japanese Prime Minister Shinzo Abe is to blame for Yukawa 's death . An ISIS-affiliated radio station reports the killing of one hostage and the prisoner swap demand .
A online post shows one hostage holding a photo of what appears to be the body of the other . The video was posted on YouTube by an account called Islamic State in Iraq and Syria (ISIS), which has been linked with several recent attacks against Western targets. An ISIS-affiliated radio station reports the killing of one hostage and the prisoner swap demand .