A lawyer suing Toronto-based HudBay Minerals Inc. on behalf of victims who blame security guards at a Guatemalan mine for lethal violence and human-rights abuses says a move by the company to drop its objection to having the case heard in Canada is a “breakthrough.”…[L]awyer Murray Klippenstein calls the move a “stunning victory” for his clients… HudBay, which sold its interest in the mine in 2011, denies the allegations, saying they are “without merit.” HudBay had been preparing to argue that the case should be heard in Guatemala, not Canada, on jurisdictional grounds…The two sides are due in court next week as the company seeks to have the case against it thrown out.