A man has been arrested in Co Donegal for alleged arson at a property belonging to Derry businessman John Brown, brother of singer Dana.
Mr Brown bought the property in Newtowncunningham with a view to developing it.
The property, which is in the heart of the village, was targeted two years ago.
The property had been in a state of disrepair when it was targeted.
A man was arrested in recent days and quizzed by Gardai.
He was released without charge and a file on the matter is to be sent to the Director of Pubic Prosecutions.
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