US President Donald Trump announced immediate quickly 50% tariffs on particular Canadian goods.

The targeted categories include steel, aluminum and lumber.

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

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

The Canadian dollar dropped 1.5% against the US dollar after the notice.

Trade experts cautioned that the tariffs could escalating trade conflict.

Washington and Ottawa indicated a willingness to negotiate a deal.