In less than 30 seconds a small flame can get completely out of control and turn into a major fire.

A small flame can turn into an out-of-control fire in less than 30 seconds.

Almost at once, the blue flame turned deep dazzling green, blazed up higher.

The lamp's flame had turned most of the bowl's metal an ugly black by this time.

The whole flame turned a deep purple and split into two parts.

History was acquiring a reality for us as we watched and heard the flames turn wood to cinders.

Fourteen white flames made people and under people turn their eyes aside.

It was then that the red flames turned to white.

A gas jet, its flame turned low, furnished the only illumination.

The entire structure was made of wood, treated so that flames could not turn it into a deathtrap.