(Reuters) – Regulations prohibiting the sale, purchase or transfer of handguns within Canada take effect on Friday, Canadian Prime Minister Justin Trudeau said in a statement, adding that the measure also blocks newly acquired handguns from being imported. The handgun freeze was announced in May alongside proposed legislation that would implement the nation’s strongest gun control measures in 40 years as part of the Trudeau “government’s comprehensive plan to tackle gun violence,” his office said. “It is our duty to take urgent action to remove these deadly weapons from our communities,” Trude…