A tourist, Will Bryan, who was filming when the incident happened, said: “We are fine. Shaken up and tons of cuts and burns but we are fine.”
One woman suffered a broken leg and civil defence spokeswoman, Kelly Wooten, put the total number of injuries at 23.
It’s the worst casualty incident since the Kilauea volcano began erupting in March and started flowing into the sea a couple of months ago.
The tour boat was operated by Lava Ocean Tours, according to Hawaii Department of Land and Natural Resources, which charges around $220 (€187) per person for watching the lava flow into the sea.
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