JUNCTION (CBSDFW.COM/AP) — Rescue crews in boats and helicopters are searching for at least four people missing since heavy rain washed away a recreational vehicle park in a small West Texas city.

Kimble County Sheriff Hilario Cantu said Monday morning that no fatalities were confirmed in the floods in Junction, about 140 miles west of Austin, but that “all the RVs, everything, got swept away.”

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Cantu says state and local agencies are helping with the rescues. Police say the city of about 2,500 people has no electricity.

In a post on Twitter, the Texas Game Warden said they were conducting helicopter rescues on the river. The agency reported that two people and a dog had been rescued after their RV was swept downstream.

National Weather Service meteorologist Aaron Woodward says the main flooding is along the South Llano River, next to the RV park. Woodward says radar estimates show that up to 12 inches of rain has fallen in the area since Sunday evening.

Cantu said they’ve done at least seven swift-water rescues so far.

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Cantu said they did not yet know how many people or vehicles might have been swept away. He said an RV park is adjacent to a city and county park. He said the county park doesn’t allow overnight stays but the city side does and there were people camping there but it’s not regulated so he doesn’t know how many people might have been there.

“The problem with the RV park, as far as getting accounting of people and getting information, the main office was also swept away,” he said. “So whatever records they had there are not accessible.”

Flooding has hit close to home in recent weeks, TXDOT has now placed flood warning signs and a guard rail at the spot in Fort Worth where a woman and her child drowned in flash flooding.

UT Arlington student Alan Amaya was swept into a creek by flash flooding in September.

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Amaya’s family said they believe he was on campus, probably headed to his dorm when he was swept into the creek on campus.