On the morning of 1 June, there was a blackout throughout most of the capital caused by urban commandos of the Farabundo Marti National Liberation Front (FMLN).
People associated with the FMLN caused the blackout
( z1 cause :ARG0 ( z2 person :ARG1-of ( z3 associate :ARG2 ( z4 organization :name ( z5 name :op "FMLN" ) ) ) ) :ARG1 ( z6 blackout ) )