This video appears to capture the fire at the chemical blast followed by a giant explosion.
A child can be heard repeatedly saying "please get out of here" in the background.
It was uploaded to YouTube and ITV News cannot independently confirm its veracity.
A major rescue effort is ongoing in a Texas town devastated by a fertiliser plant explosion that has been likened to a nuclear bomb blast.
A huge explosion at a fertiliser plant in the Texan town of West has injured more than 160 people and caused widespread destruction.