By Nia Williams (Reuters) – Canada’s government introduced legislation on Monday to implement a national freeze on the sale and purchase of handguns as part of a gun control package that would also limit magazine capacities and ban some toys that look like guns. The new legislation comes just a week after a gunman killed 19 children and two teachers in their classroom in Uvalde, Texas. Here are key details about Canada’s gun control laws: ARE GUNS ILLEGAL IN CANADA? No. Canada has much stricter gun laws than the United States, but Canadians are allowed to own firearms providing they have a lic…