North Wales police say that copper piping was stolen from thirteen houses in Porthmadog in the early hours of Saturday morning. Some residents have been left without hot water and heating.
This was a very brazen crime with thieves going from one property to another on the small estate. The copper piping was connected to the gas boilers and several metres of piping was stolen.
Repairing the damage will cost hundreds of pounds and police are appealing for anyone who may have seen anything suspicious to contact them.
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It should turn cloudier through the early hours with some patchy drizzle and some hill fog too.
It will be a breezy day with variable amounts of cloud and some bright or sunny spells.