Teenager Jose Alvarez - who filmed the gnome - yesterday told national newspaper El Tribuno that they caught the creature while larking about in their hometown of General Guemes, in the province of Salta, Argentina.
He said: "We were chatting about our last fishing trip. It was one in the morning.
"I began to film a bit with my mobile phone while the others were chatting and joking.
"Suddenly we heard something - a weird noise as if someone was throwing stones.
"We looked to one side and saw that the grass was moving. To begin with we thought it was a dog but when we saw this gnome-like figure begin to emerge we were really afraid."
Jose added that other locals had come forward to say they had spotted the gnome.
He said: "This is no joke. We are still afraid to go out - just like everyone else in the neighbourhood now.
"One of my friends was so scared after seeing that thing that we had to take him to the hospital."
I was wondering if this creature is really exist or maybe it's just a coincidence. This is actually a truth we cannot explained. Some creatures which exist for a long time but we just realized the existence...