Both men, aged 23, have been arrested on suspicion of arson and are currently in police custody for questioning.
Emergency Services received the report of the fire at around 4:05am on Wednesday, October 15
No one was injured during the incident and investigations are ongoing into the circumstances of the fire.
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A spokesperson for Cumbria Police said: “Anyone with information is asked to contact police on 101 or report online via www.cumbria.police.uk/report-it, quoting log 8 of 15 October 15
“Alternatively, you can contact Crimestoppers, anonymously, on 0800 555 111.”
