Nine people were killed and 27 others injured when a bus collided with a truck in China's Shandong province on Friday, police said.Following a tyre blow-out, the truck hit a barrier and crashed into the oncoming bus, causing it to overturn on the Jinan-Liaocheng expressway, Xinhua news agency reported. The 49-seater bus had 48 passengers on board at the time of the collision. All who had sustained injuries were in stable condition, police added.