Canada July 21 2021 12:50pm 01:35 United States renews border restrictions for Canada, Mexico until Aug. 21 U.S. land borders with Canada and Mexico will remain closed to non-essential travel until at least Aug. 21, the U.S. Homeland Security Department said on Wednesday. Reggie Cecchini has the latest. Canadians voice frustration over U.S. border closure extension The U.S. has extended its border closure with Canada. Here’s what you need to know Sarnia, Ont. mayor expects U.S. border restrictions for Canada to last past Aug. 21 REPORT AN ERROR Responsive site?