COIMBATORE: At least nine people were killed and over 20 reported trapped as the roof of a bus stand collapsed near Coimbatore. Police said the roof suddenly caved in on passengers waiting for the buses. Cops and the public immediately swung into action to rescue the trapped people. As many as 10 ambulances were deployed to shift the injured to hospitals. The area around the bus stand was receiving heavy rains of late which could the reason behind the roof collapse.