It happened at the Islandbridge weir earlier today.
Rescue swimmers and firefighters used ropes and a floating sled to reach the trapped group.
Dublin Fire Brigade's thanked Trinity College boat club for its help in the rescue effort.
Today Firefighter/Paramedics trained as rescue swimmers responded to a boat in difficulty near a weir on the River #Liffey. Six people were taken to safety using our rescue boat and a sled. Thanks to @duboatclub for the assistance on scene #Dublin #fire #WaterRescue pic.twitter.com/HgsEy7XAyF
— Dublin Fire Brigade (@DubFireBrigade) October 10, 2020