On Saturday, September 13, 2014, ISIS released video of the execution and beheading of British hostage David Haines.
On Friday, October 3, 2014, ISIS released video of the execution and beheading of British aide worker Alan Henning.
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In the ISIS video of the execution of Alan Henning ISIS promised to behead US hostage Peter Kassig.
Kassig has been missing since late 2013.
The Daily Mail reported on October 5, 2014 that drones have tracked the ISIS base of Jihadi John in Raqqa, Syria.
Raqqa is located on the north bank of the Euphrates River, about 160 kilometres (99 miles) east of Aleppo.