(Reuters) - A son of deposed Libyan leader Muammar Gaddafi allegedly received 120 million euros ($162 million) in bribes for giving major contracts in Libya to SNC-Lavalin Inc, Canada's biggest engineering and construction company, a police document said on Friday. According to an affidavit the Royal Canadian Mounted Police used to obtain a search warrant at SNC's head office last April, the bribes were paid, in a roundabout way, to Saadi Gaddafi by Riadh Ben Aissa, a vice-president at Montreal-based SNC at the time. ...