The U.N. Security Council unanimously adopted a resolution March 11 condemning "in the strongest terms" the bomb attacks in Madrid, Spain.
 
The resolution also urged all states "to cooperate actively in efforts to find and bring to justice the perpetrators, organizers and sponsors of this terrorist attack."
 
A series of ten simultaneous explosions killed at least 190 people and injured more than 1,200 people on Madrid commuter trains. The government of Spain blamed the Basque separatist group ETA and asked the Security Council to make reference to the ETA in the resolution.

The Security Council,

Reaffirming the purposes and principles of the Charter of the United Nations and its relevant resolutions, in particular its resolution 1373 (2001) of 28 September 2001,

Reaffirming the need to combat by all means, in accordance with the Charter of the United Nations, threats to international peace and security caused by terrorist acts,

1. Condemns in the strongest terms the bomb attacks in Madrid, Spain, perpetrated by the terrorist group ETA on 11 March 2004, in which many lives were claimed and people injured, and regards such act, like any act of terrorism, as a threat to peace and security;

2. Expresses its deepest sympathy and condolences to the people' and Government of Spain and to the victims of the terrorist attacks and their families;

3. Urges all States, in accordance with their obligations under resolution 1373 (2001), to cooperate actively in efforts to find and bring to justice the perpetrators, organizers and sponsors of this terrorist attack;

4. Expresses its reinforced determination to combat all forms of terrorism, in accordance with its responsibilities under the Charter of the United Nations.