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.
a ferry capsizing caused 135 deaths.
( z1 cause :ARG0 ( z2 capsize :ARG1 ( z3 ferry ) ) :ARG1 ( z4 die :quant 135 ) )