Trump Announces He's Ordered New Sanctions On Iran

President Trump announced increased sanctions on Iran via Twitter, without detailing the order. This follows drone attacks on Saudi oil plants, which the US and Saudi Arabia attribute to Iran. Iran denies involvement, with President Rouhani accusing the US of slander.

What announcement did President Trump make regarding sanctions on Iran?

What was the reason behind the increase in sanctions on Iran?

What did U.S. officials say about the attacks on Saudi Arabian oil plants?

What did the Saudi Defense Ministry spokesperson say about the weapons used in the attacks?

How did Iranian President Hassan Rouhani respond to the accusations of involvement in the attacks?