Dave Mattingly

The president issued that ultimatum on Saturday, giving Tehran 48 hours to comply.

Iran responded by threatening to target U.S.

infrastructure in the Gulf region.

About 20 percent of the world's crude oil normally passes through that strait.

Like oil and gas, the cost of fertilizer has spiked since the start of the war with Iran.

Frank Morris with member station KCUR has more.

Wall Street futures are lower this morning.

This is NPR News.

Hawaii is experiencing its worst flooding in 20 years.

Back-to-back storms brought heavy rains and damaging winds to the islands over the weekend and forced thousands of people to evacuate.

Ashley Mizuo with Hawaii Public Radio says some people haven't allowed to return to their homes.

That's Ashley Mizuo reporting.

In the NCAA men's basketball tournament, the defending champion Florida Gators have been ousted.

They lost to Iowa last night 73-72 on a three-point shot with less than five seconds to play.

Greg Eklund has more.

For NPR News, I'm Greg Eklund.

Dow futures are down 229 points.

S&P futures are off 42.

I'm Dave Mattingly, NPR News in Washington.

Live from NPR News in Washington, I'm Dave Mattingly.