WATCH LIVE: President Donald Trump holds joint press conference with Canadian prime minister Justin Trudeau

Canadian Prime Minister Justin Trudeau (L) meets with U.S. President Donald Trump in the Oval Office at the White House in Washington, U.S., February 13, 2017. REUTERS/Kevin Lamarque

Canadian Prime Minister Justin Trudeau on Monday opened talks at the White House with U.S. President Donald Trump, seeking to nurture economic ties while avoiding tensions over issues such as immigration on which the two are sharply at odds.

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