Canada’s federal police have charged a hydroelectricity researcher at Quebec’s power utility with espionage, alleging the worker was covertly sending trade secrets to China. The arrest of Yuesheng Wang, 35, comes as Canada grapples with a barrage of accusations of Chinese interference, including allegations of meddling in its federal elections, as well as reports of secret “police stations” in the country’s largest city. The Royal Canadian Mounted Police announced the arrest of Wang, a researcher with Hydro-Québec, on Monday following a months-long investigation. Hydro-Québec, the fourth-largest hydropower producer in the world, is a provincially owned energy provider, overseeing the distribution...