Islamic State 'beheads second US journalist'

The Islamic State has released a video of the purported murder of the US journalist Steven Sotloff, days after his mother pleaded with the group's leader to spare his life. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/