Ontario Premier Doug Ford unveiled a billboard on Canada's shoreline with the message: "Lake Ontario. Canada has responded to Donald Trump's "Lake America" decree by placing a massive billboard on the Canadian shores of Lake Ontario. Key points and original sources are listed below.

• Ontario Premier Doug Ford unveiled a billboard on Canada's shoreline with the message: "Lake Ontario. Now and Always."S1

• Canada has responded to Donald Trump's "Lake America" decree by placing a massive billboard on the Canadian shores of Lake Ontario.S2