A couple from Keswick in Cumbria have criticised the way DFDS handled the fire on board one of its ships.
MS King Seaways had to return to Newcastle instead of heading towards the Netherlands when a fire broke out in one of the cabins.
A 28-year-old man remains in police custody on suspicion of arson.
Andrew Prescott and his girlfriend Sophie Beard say there was confusion and chaos as passengers looked at the smoke and heard warning signals.
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Mountain rescue teams from Keswick, Cockermouth, and Wasdale have dealt with seven incidents since Friday.
Cyclists in west Cumbria are being encouraged to get their bikes marked and registered to help deter thieves.
A Cumbrian mill has been awarded £1.4 million by the Heritage Lottery Fund to help get it back in working order.