Alcanar, Spain (CNN) An international manhunt was underway Saturday for the driver of a van that killed 13 people in Barcelona as police probed the wreckage of a suspected bomb factory for clues to the cell behind this week's two terror attacks in Spain. The flattened ruins of a house in the village of Alcanar have become the center of a massive police investigation into the terror cell suspected of using the house to make bombs. When an explosion destroyed the house Wednesday night, killing one person and seriously injuring another, it set in train a series of events culminating in the deaths in Barcelona and one more in a second attack in the town of Cambrils.Terror cell behind two attacks "completely dismantled," official saysClues sought in rubble of house where terror cell suspected of making bombs
Eight of the 12 lived in Ripoll, a city north of _.