How does a bushfire occur?

INTRODUCTION:
Do you  how bush-fires occur?

WHAT HAPPENS FIRST?

A bush-fire can occur within minutes or hours. Just a little spark can set off a bush-fire but sometimes a bush-fires can be started by a person throwing cigarettes into bushes that sets off a bush-fire or people being stupid and setting a bush on fire.

WHAT HAPPENS NEXT?

Lots of smoke will appear from a large area of dry land or where there's a lot of trees. After that you would see large flames occur from large dry areas.

WHAT HAPPENS AFTER THAT?

Trees would be falling down or already burnt but sometimes firemen would have caught the blaze and some things would be burnt.

CONCLUSION

Bush-fires occur in dry and hot places like Australia.