WASHINGTON:A White House official said that the impending tariffs could exclude Canada, Mexico and a clutch of other countries based on national security.
Trump was expected to sign a presidential proclamation to establish the tariffs during a ceremony today, but a White House official said later it could slide into Friday because documents had to be cleared through a legal process.
The president has faced mounting opposition to the tariffs from prominent congressional Republicans and business officials worried about their potential impact on the economy.
The tariffs would impose duties of 25 percent on steel and 10 percent on aluminum to counter cheap imports, especially from China. APP/AFP