Driver helps students escape SA bus blaze

A driver has helped students escape from a bus fire in Adelaide's north.

Firefighters arrived at the scene in Evanston Park just before 1.30pm (CDT) on Tuesday and found the rear of the school bus immersed in fire, which was spreading quickly along the passenger section.

The quick-thinking driver, from the Corston Coaches charter service, helped the passengers escape and there were no injuries, the Metropolitan Fire Service says.

The blaze was extinguished in about 10 minutes, causing an estimated damage of about $200,000.

It's not yet known what caused the fire.