Rescue workers die in fiery Mexico helicopter crash

Horrific raw video has emerged of a helicopter carrying four rescue workers hitting power lines in the air before plummeting to their deaths.

According to the Daily Mail, the crash happened in the Mexican state of Baja California while on the way to retrieve the body of a mountain climber who had died after falling from cliff edge.

In the video, the helicopter's propellers can be seen shredding up before the cabin drops behind a hillside as a fiery explosion can be seen on impact. 

Watch the video.