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.
The ferry accident caused few casualties.
( z1 cause :ARG0 ( z2 accident :mod ( z3 ferry ) ) :ARG1 ( z4 casualty :quant ( z5 few ) ) )