US President Donald Trump announced immediate abruptly 50% tariffs on chosen Canadian goods.

The designated categories include steel, aluminum and lumber.

The Washington’s Treasury department said the move aims to defend domestic producers and shrink Canada’s trade surplus.

The Canada’s government responded with plans to fight back.

The Canadian dollar fell 1.5% against the US dollar after the statement.

Trade experts cautioned that the tariffs could escalating trade conflict.

Washington and Ottawa hinted a willingness to negotiate a deal.