A PETROL station at a supermarket in Llandudno made an unfortunate mistake yesterday (August 10) as shoppers noticed it had accidentally priced diesel at an eye-wateringly high amount.

Resident Luke Davies spotted the error at the Asda superstore, on Conway Road, at about 9pm last night, which stated that diesel cost 748.7p per litre.

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By contrast, unleaded petrol was said to cost 144.7p per litre.

“I didn’t realise diesel was £6 more per litre than petrol these days!”, Luke joked.

When contacted by the Pioneer, an Asda spokesperson confirmed that this error has since been corrected.