President Donald Trump says he will double his planned tariffs on steel and aluminum from 25% to 50% for Canada, escalating a trade war with the United States’ northern neighbor and showing an indifference to recent stock market turmoil and rising recession risks.

President Trump said he would double steel and aluminum tariffs on Canada amid a fight with Ontario over higher electricity costs for Americans.

President Donald Trump escalated his trade war Tuesday, announcing on Truth Social that he will double the tariffs on steel and aluminum coming from Canada from 25% to 50% in retaliation for new trade restrictions put in place by the province of Ontario this week.