Breaking: Reports of a new video from ISIS showing the beheading of British hostage David Haines

New unverified Islamic State video claims to show the beheading of captured Brit David Haines. @9NewsAUS

— Charles Croucher (@ccroucher9) September 13, 2014

Awful. @siteintelgroup is reporting IS has released a new video showing the murder of Briton David Haines

— Jerome Taylor (@JeromeTaylor) September 13, 2014

Multiple reports suggest ISIS has beheaded British captive David Haines in another gruesome video.

— Calgary Sun (@calgarysun) September 13, 2014

In execution video of David #Haines, #ISIS says he "pays price for your promise, Cameron, to arm the #Peshmerga against the Islamic State."

— Julie Lenarz (@MsIntervention) September 13, 2014