Royal Air Force Sea King helicopters, inshore lifeboats and fire service rescue boats are at the Riverside.
The Mid and West Wales Fire and Rescue Service said: "There is large amount of water and a heavy current running through the caravan park."
The situation became so severe that a helicopter was used to rescue the crew of an inshore lifeboat, who had to be winched to safety.
BBC News - Wales flooding: Rescue at flooded caravan parks
The Mid and West Wales Fire and Rescue Service said: "There is large amount of water and a heavy current running through the caravan park."
The situation became so severe that a helicopter was used to rescue the crew of an inshore lifeboat, who had to be winched to safety.
BBC News - Wales flooding: Rescue at flooded caravan parks
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