Fight for survival

One-minute clip begins with men surrounded by gang members with guns

Victims forced to fight in the middle of a circle before loser is separated

Made to kneel on the ground with a handgun pushed into back of his head

Police are investigating incident which happened near Tierra Caliente

A Mexican gang forced two men to bareknuckle fight before executing the loser in a horrific video.
Shocking footage showed the men striking each other as gang members stood round and laughed in a woodland clearing in Tierra Caliente, south Mexico.
The men were then forced apart with the loser was apparently executed with a bullet to the head.
The one-minute clip, which appears to have been captured on a mobile phone, begins with the two men surrounded by gang members holding guns.
Some can be seen leaning against an SUV as the men begin to punch each other in the face.
he gang can be heard hysterical laughing as the men desperately try and stay upright.
After just 40 seconds, the fight is stopped by a man carrying an automatic rifle who tells one of the victims to kneel on the ground.
Shockingly, the clip ends abruptly as one of the men is then forced to his knees as the group hollers in delight at his imminent execution. It has been reported in local media that he was then executed.
The video was uploaded onto social media on Monday and has already been viewed more than 90,000 times.
Police are investigating the incident.