Cecilia Lei

Carolina Lindholm-Billing, the UN's refugee lead in Lebanon, told Reuters what she had witnessed.

On the U.S.

side, the Pentagon revealed yesterday that 140 service members have been wounded, and the number killed remains unchanged at seven.

Meanwhile, there was more confusion surrounding the Strait of Hormuz, the all-important global shipping route Iran has effectively forced closed.

The U.S.

Energy Secretary posted on social media that the Navy had escorted an oil tanker across the strait for safety, but then promptly deleted it, sending oil prices on a roller coaster.

The administration confirmed later that the escort did not take place.

On Tuesday, sources told CBS News that Iranians may be getting ready to deploy mines into the strait in an effort to sow more chaos into the global economy.

The same day, the U.S.

struck Iranian mine-laying vessels close to the route.

Today, House Republicans will wrap up their annual policy retreat.

The three-day gathering has been held at Trump's golf resort in Durrell, Florida.

And on Monday, the party tried to get on the same page for its legislative priorities ahead of this year's midterms.

It's a critical moment for Republicans.

They're facing strong headwinds.

Some three dozen Republicans are leaving Congress.

Others have recently lost in primaries.

And existing margins are slim.

Political congressional reporter Mia McCarthy is at the retreat and spoke to us from Florida.

But that focus on cost of living wasn't what Trump was most energized to talk about.