Canadian Prime Minister Justin Trudeau held talks with top EU officials in the Belgian capital after US President Donald Trump imposed painful 25 percent tariffs on steel and aluminium imports. "Friends have each other's back," Trudeau told reporters arriving at the meeting, confirming Trump's tariffs would be among the topics on the table. He was greeted with smiles by European Commission chief Ursula von der Leyen and Antonio Costa, who heads the European Council representing the EU's 27 member states -- in stark contrast to the strained relations Ottawa and Brussels currently share with the White House. "Trust is very...