All four trains had departed the Alcalá de Henares station between 07:01 and 07:14. The explosions took place between 07:37 and 07:40. Atocha Station (train number 21431) - Three bombs exploded. El Pozo del Tío Raimundo Station (train number 21435) - Two bombs exploded. Santa Eugenia Station (train number 21713) - One bomb exploded. Calle Téllez (train number 17305) - Four bombs exploded. Over 2000 people were injured. On 3 April 2004 the presumed perpetrators committed suicide by setting off explosives, killing themselves and one of the police officers in Leganés, south of Madrid.