Houthis impose Saudi naval blockade, opening new front in US-Iran war

Yemen’s Iran-aligned Houthis said on Monday they were imposing a naval blockade on Saudi Arabia, a move that opens a new front against the United States in its war on Iran and widens the threat to global energy supplies and trade beyond the Gulf.

The announcement came despite signs that Tehran and Washington wanted to resume diplomacy to halt an escalating cycle of attacks that has all but wrecked a fragile interim agreement signed last month. Oil prices briefly rose after the Houthis’...