The Townsend Thoresen cross-Channel ferry Herald of Free Enterprise capsized outside the Belgian port of Zeebrugge on the 6th of March with the loss of 135 lives.
135 people died outside a belgian port.
( z1 die :ARG1 ( z2 person :quant 135 ) :location ( z3 outside :op ( z4 port :mod ( z5 country :name ( z6 name :op "Belgium" ) ) ) ) )