A British mother-of-two who once fronted an all-girl rock band is believed to have made it to Syria where she is threatening to behead Christians with a blunt knife.
Investigations have revealed the real name of a Muslim convert who calls herself Umm Hussain al-Britani may be Sally Jones, from Chatham in Kent.
Umm Hussain has previously claimed she married British computer hacker-turned jihadi Junaid Hussain after an online romance before the pair travelled separately to Syria to join the Islamic State.
He has since become a potential suspect in the beheading of the American journalist James Foley. On August 10 Umm Hussain tweeted that she had made it to the 'Caliphate' with her husband after being stuck in Idlib, north-western Syria, for seven months.
Umm Hussain later indicated she was in the IS stronghold of Raqqa. In messages that have since been deleted, she warned:
'You Christians all need beheading with a nice blunt knife and stuck on the railings at raqqa ... Come here I'll do it for you!'AND THEN THERE'S THIS: