By Jacob Serebrin THE CANADIAN PRESS MONTREAL- Ontario Provincial Police and the Canada Border Services Agency say they prevented nearly 600 stolen vehicles from being exported overseas after searching 390 shipping containers at the Port of Montreal. Around three-quarters of the 598 seized vehicles, with an estimated value of $34.5 million, were stolen in Ontario, police said. OPP deputy commissioner Marty Kearns told reporters in Montreal on Wednesday that investigations by police in Ontario led them to believethat a large percentage of stolen vehicles in that province “were destined for illegal export via the Port of Montreal.” As a result, he said, police and federal agencies in Quebec and Ontario launched Project Vector. “As our intelligence indicated, the vast majority of recovered stolen vehicles, more than 430, were taken from…