A man suspected of starting a fire on a rush hour bus that killed 47 people in the Chinese city of Xiamen died at scene. The police identified Chen Shuizong, a local resident born in 1954, as the suspect after an on-site investigation, interviews and examination of evidence, including DNA. Police found a suicide note in the suspect\'s home and that Chen was unhappy and set the fire to vent his anger. A total of 47 people were killed when a bus caught fire. A local fire official said the cause of the blaze was being investigated.