Senior Superintendent Nickson Muksan, Basilan police director, said the information on the beheading
was provided by a military official.
Now, the IS trains them to practise beheadings
on dolls first.
The chilling video also shows atrocities which were previously committed by the IS militants including the beheading
of US journalist James Foley and Steven Sotloff , the burning of Jordanian pilot Moaz al-Kasasbeh as well as other horrific mass beheadings
In the statement, the Foreign Ministry called the beheadings
"a great indignation," adding, "We curse this brutality and vehemently condemn it."
A number of recent releases have included much more gruesome footage of beheadings
One woman tweeted: "So many beheadings
at the same time, Allahu Akbar (God is the greatest), this video is beautiful."
Egypt launched airstrikes inside Libya on Monday in retaliation for the beheadings
of 21 kidnapped Egyptian workers by "Islamic State" in Libya.
are off camera but over a dozen decapitated heads are left on the ground by the bodies.
The same video also showed gruesome simultaneous beheadings
of at least 18 other men, who were described as Syrian military personnel, the latest in a series of mass executions and other atrocities carried out by the IS.
Mr Cameron said: "These beheadings
show once again what a depraved organisation this is.
Like everyone, I was revolted by the beheadings
of the American journalists James Foley and Steven Sotloff.
A BRITISH jihadi who boasted on TV of carrying out beheadings
is today revealed as a former supermarket security guard who used to live with his mum.