WASHINGTON, April 6 -- US President Donald Trump made an expletive-filled threat yesterday to destroy Iran's civilian infrastructure, demanding Tehran bow to his demands for a deal to reopen the Gulf to shipping as oil prices surge.

As Christians marked Easter, Trump revived warnings of air strikes on Iranian power plants and bridges, after celebrating the rescue of a wounded airman whose fighter jet went down inside Iran.

Iranian images showed wreckage of several aircraft, but Tehran did not deny US forces rescued the officer, who sheltered in a mountainous area while American special forces and Iranian troops raced to find him.

The war, which erupted on February 28 with deadly US-Israeli strikes on Tehran, has engulfed the Middl...