too well the horror of terror attacks. seven years ago, a series of bombs tore through computer trains in madrid. our madrid bureau chief caught up with ambulance workers on the scene that day and joins us now live. al? hi, monita. the spanish government says the nation is relieved that osama bin laden has been killed and as you say, all thoughts went to the madrid train bombings of seven years ago. attacks that prosecutors here say were inspired by al qaeda, although not organized directly by osama bin laden. now, we caught up with some emergency workers that have a tough day, the anniversary was weeks ago on march 11th. here s a look at how the day affected some emergency workers. a terrorist attack on madrid commuter trainers on 2004. unforgettable for this ambulance technician seen shouting instructions. rushing an injured woman to hospital.