(CNN)Here's a look at the March 2004 bombings of commuter trains in Spain, which killed 191 people and injured more than 1,800. The bombings were the deadliest terrorist attack in Spain's history.
On March 11, 2004, ten bombs in backpacks and other small bags, such as gym bags, exploded on four commuter trains. One bomb did not explode and was defused. The police did controlled explosions on three other bombs.
March 11, 2004 - Beginning at 7:37 am CET, coordinated attacks including 10 bombs on four commuter trains at three different stations, kill 191 people and wound more than 1,800.
- The fourth suspect is not identified but is described as being of Arab descent.
- The fifth suspect is a Spanish citizen who goes by the name of Jose Emilio Suarez Trashorras. He is arrested in northern Spain.