Canada's retaliatory tariffs worth $27.6 billion take effect as trade rift with U.S. deepens
Duties on U.S. steel and aluminum products have doubled to 50% as a war of words between Washington and Ottawa continues.

TL;DR
- Canada doubled tariffs on U.S. steel and aluminum products.
- The new tariffs now stand at 50%.
- This escalation is part of a continuing war of words between Washington and Ottawa.
- The trade rift between the U.S. and Canada is deepening.