This live blog is now closed.Donald Trump to impose 50% tariff on most Canadian goods, White House saysSign up for the Breaking News US emailWhile speaking to reporters on Sunday, Donald Trump acknowledged the three US military casualties as the strikes on Iran continue unabated.“Well, we feel very badly, but you know those great people, those great patriots, were out there fighting that Iran cannot have a nuclear weapon,” Trump said while returning to Washington from the Fifa World Cup final in