Trump's 10% tariff kicks in, taking effect at U.S. seaports, airports and customs warehouses

Open this photo in gallery: A truck is pictured along the border wall after clearing U.S. Customs and entering the United States from Tijuana at the Otay Mesa border crossing in San Diego, California, U.S. April 2.Mike Blake/Reuters U.S. customs agents began collecting U.S. President Donald Trump's unilateral 10-per-cent tariff on all imports from many countries on Saturday, with higher levies on goods from 57 larger trading partners due to start next week. The initial 10-per-cent "baseline" tariff to be paid by U.S. importers took effect at U.S. seaports, airports and customs warehouses at 12:01 a.m. ET, ushering in Trump's…