<br /> According to Reuters, the United Auto Workers is suing General Motors over labor contract violations.<br />The lawsuit stems from its alleged use of temporary workers at an Indiana assembly plant.<br />The suit also escalates the union's attempts to halt GM's plans to close factories in the United States.<br />Filed at a US District Court in Ohio, the suit is the union's first legal move against GM’s decision from late November to close five plants in the US. <br />
