The news ran like wild fire.

When he shared his idea with colleagues it caught on like 'wildfire' and they have not looked back.

This immediately sparked speculation that China would be a major purchaser-and the rumor spread through the market like wild fire.

The news spread like wild-fire.

But an intense fire in the wrong place can be a big disaster and wildfires kill people and destroy property and grazingevery year in South Africa.