Canada’s premiers are urging Prime Minister Justin Trudeau to step up border security and defense spending to assuage US President-elect Donald Trump’s concerns, with the leader of the largest province calling the federal government “slow to react” and “stuck on its back foot.

Trudeau will assemble Canadian premiers today to discuss a 25% tariff on Canadian and Mexican products that Trump proposed this week.

Many of the prime minister’s political opponents were as critical of him as about the president-elect’s plan, which would adversely affect Canada’s economy.