Deadly Colorado fire

A wildfire burning in Colorado's Stone Canyon, northwest of Denver, has turned deadly. At least one fatality has been reported among the five homes that have burned.

The Stone Canyon fire started on Tuesday and has burned more than 1,500 acres and is only 20 percent contained. It is affecting the air quality in the Denver area.

The video above shows the thick smoke producing unique vortices caused by the heat generated by the fire.