Two fire engines were called to a bus on fire in Market Place, Kingston.
A double decker bus was well alight when firefighters arrived at the scene.
The driver left the bus before the arrival of the Brigade and was treated at the scene for smoke inhalation by London Ambulance Service crews before being taken to hospital
The Brigade was called at 0911 and the fire was under control at 1009. Two fire engines from Kingston fire station attended the scene.
The cause of the fire is currently unknown.