School children missing in excurcion

The Quart  school lost 50 children an excurcion. The school was visiting the Fageda d'en Jordà when one boy said that his friends weren't there the teachers and the rest of the children were searching but they weren't found. They called the police. They explained what had happened and the police came. The school center called the parents of the children.
The police searched all the day but they weren't found. It was night and the police stopped the search for the moment. The next day the police continued searching but it was difficult because it was raining. We only know one thing, at 8 pm the police found footprints. The family are waiting to find the childs.