Christchurch, less than a mile from the school, has bereavement experts on hand to help. we have had adults and children coming in and i think they are all very much in shock still at the moment. grief is always a mixture of emotion, a lot of pain and sadness, some anger. the car has been taken away to be examined. its driver, a a6—year—old woman arrested on suspicion of causing death by dangerous driving has been released on bail. the number of flowers outside the school continues to grow. many of the messages are from selena lau's schoolmates. as a police investigation continues, familie...