Two days after the storm roared into the Keys with 130 mph winds, the full extent of the damage there was still a question mark because communications and access were cut off in many cases.
At the northern end of the Keys, residents and business owners from Key Largo, Tavernier and Islamorada were allowed back for their first look.
The Lower Keys -- including the chain's most distant and most populous island, Key West, with 27,000 people -- were still off-limits, with a roadblock in place where the single highway to the farther islands was washed out. Road repairs were promised in the coming days.
"They're shoving people back to a place with no resources," he said by telephone. "It's just going to get crazy pretty quick."
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Still, he said people coming back to Key Largo should be relieved that many buildings escaped major damage.
Today morning, the rainy remnants of Irma pushed through Alabama and Mississippi after drenching Georgia. Flash-flood watches and warnings were issued around the Southeast.
As many as 13 million Florida residents -- two-thirds of the state's population -- were without electricity as sweltering heat returned across the peninsula in the storm's wake, and officials warned it could take weeks for power to be fully restored. About 110,000 people remained in shelters statewide.
"I know for our entire state, especially the Keys, it's going to be a long road," Gov. Rick Scott said.
Authorities were stopping people to check documentation such as proof of residency or business ownership before allowing them back into the Upper Keys. All three hospitals on the island chain were still closed.
Crews were working to reopen US 1 through the Keys.
Officials said there was no immediate sign of serious damage to the 42 bridges that link the islands, but they were still checking.
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