Ore preparation workers at Tata Steel's Dutch operations went on strike on Wednesday demanding protection from job cuts.
"It is the first time in 28 years that people at Tata Steel IJmuiden are on strike. That shows how much the people of Tata Steel Netherlands are concerned," spokesman Roel Berghuis of Dutch labour union FNV, said.
According to FNV, this meant that raw material were no longer available for the blast furnaces, pellet and sinter factory.
Tata Steel said: “In the current environment, Tata Steel Europe has been working with all stakeholders including the unions in both Netherlands and the