Eike Batista, who was once one of the richest men in the world, was found guilty of bribing former Rio de Janeiro governor Sergio Cabral in exchange for contracts.
Teneris will lay off 40 workers at its TenarisAlgomaTubes plant in Ontario and adjust output there because of the U.S. tariffs on steel and aluminum imports.
US law firm Bernstein Liebhard said the suit would deal with "misleading statements" made by the precious metals producer, which has had 21 fatalities on its operations so far in 2018.
In a lawsuit filed Wednesday the American Institute for International Steel and two of its member companies argue that the US president’s tariffs on steel and aluminum imports are unconstitutional.
India's equivalent of NASA will launch a rover in October to explore virgin territory on the lunar surface and determine the potential for mining a source of waste-free nuclear energy that could be worth trillions of dollars.