Eleven years after 852 people, mostly Swedes, perished when the ferry Estonia sank on a stormy Baltic night, an exhibition in the National Maritime Museum in Stockholm brings back the pain and controversy which have haunted Sweden since the disaster.
Some of the victims of the sinking of the ferry Estonia were from countries other than Sweden.
The text says the victims were mostly Swedes. 
( z1 person :quant ( z2 some ) :ARG1-of ( z3 include :ARG2 ( z4 person :ARG1-of ( z5 victimize :ARG0 ( z6 sink :ARG1 ( z7 ferry :name ( z8 name :op "Estonia" ) ) ) ) ) ) :source ( z9 country :ARG2-of ( z10 except :ARG1 ( z11 country :name ( z12 name :op "Sweden" ) ) ) ) )