From Al Jazeera. Any opinions expressed are those of the authors, and do not necessarily reflect the views of Libya Business News.
The Islamic State of Iraq and the Levant (ISIL, IS, ISIS) has released a video purporting to show the killing of 21 Egyptian Coptic Christians kidnapped in Libya.
The footage released on Sunday appeared to show the Egyptian workers, all wearing orange jump suits, being beheaded near a waterfront.
Al Jazeera's Sonia Gallego reports: