A group of 21 Tanzanian nationals on Wednesday filed a lawsuit in Canada alleging the world's second-biggest gold miner, Barrick Gold, was complicit in extrajudicial killings by police guarding its North Mara mine. The plaintiffs in the claim, filed at the Superior Court of Justice in Ontario, include relatives of five men killed by Tanzanian police assigned to the mine, according to the filing. Nine of the plaintiffs were themselves beaten or shot by the police, according to the filing.A Barrick Gold spokesperson said the company received the Statement of Claim earlier on Wednesday. "It is riddled with ... (full story)