Circle K warns customers after diesel and petrol mix up at filling station 

Circle K said it is ready to assist anyone caught up in the incident with any potential claims. File picture: Larry Cummins

Circle K has said some customers may be impacted after diesel was inadvertently delivered into a petrol underground storage tank.

The retailer says it happened at its Kill North Service Station in Kildare between the hours of 2pm and 7pm on Saturday afternoon.