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From CNN, I'm Josh and Chana, with the five things you need to know for Tuesday, March 11th.

This morning, President Donald Trump announced he will double tariffs on aluminum and steel from Canada to 50%.

Ontario Premier Doug Ford was on CNN earlier to give his reaction.

It's disappointing, and I'll tell you the reason it's disappointing because Americans are going to pay more.

The U.S. only has the capacity of producing 16% of the aluminum they need.

There's going to be plants closed in the U.S. Assembly plants will shut down because they won't have the aluminum or they'll be paying twice three times as much.

Trump also announced he will match a 25% tariff on electricity that Ford announced on three U.S.

states yesterday.

And Ford repeated a threat to shut down electricity to the U.S. completely in an interview with CNBC.

And how have the markets reacted to this fresh tariff uncertainty?

Well, not great.

As at the time of recording, the Dow has fallen by 1.37% and the S&P 500 by 0.98%.

This afternoon, the House of Representatives is preparing for a crucial vote on a temporary government funding bill.

House Speaker Mike Johnson has already placed blame on Democrats, saying their refusal to back the measure is an attempt to, quote, shut the government down.

But does he have enough support in his own party?

CNN's Lauren Fox was reporting from Congress

earlier. Now, already Speaker Johnson has one no vote in Thomas Massey, and there are a number

...