(Want to get this briefing by email? Here’s the sign-up.)

Good morning.

Here’s what you need to know:

• “This is like in war.”

Those were the words of an emergency doctor in Puerto Rico, where hospitals have been crippled by flooding, damage and fuel shortages since Hurricane Maria battered the island. The airport has become a place of concentrated anxiety and long waits.

Puerto Ricans on the U.S. mainland are relying on strangers to contact relatives back home, and millions across the Caribbean remain without power or clean water. Here’s how you can help.

President Trump will visit Puerto Rico and the storm-ravaged Virgin Islands next week. He called his administration’s response to recent hurricanes “great,” “amazing” and “tremendous.”