Kent Fire and Rescue say that they have been unable to save a motor launch, one of three boats on fire in the Medway River at Strood Yacht Club.
However, firefighting operations are continuing but the incident is being scaled down to three fire engines and a fire launch boat.
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Tuesday afternoon's weather for the west of the region
Tuesday afternoon's weather for the east of the region
Two private citizens have already paid a "significant deposit" to take the week-long trip.