During the evening of 26 May 1979, a bomb exploded in Madrid, Spain.
[1] Its detonation in the basement washroom of the California 47 café killed 10 people, injured another 40 and severely damaged the building.
[1] No group claimed responsibility, but the far-left First of October Anti-Fascist Resistance Groups (GRAPO) are believed to have been the perpetrators.
[1] Police found a second, unexploded bomb in the café.
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