A stronger dollar and a pound "weakened by the Scottish referendum" have put the brake on falling petrol prices, according to the AA.

Low world oil prices should have led to UK petrol and diesel prices dipping to a level not seen since 2011.

Instead, prices have started to rise again, with petrol going up from an average of 128.72p a litre on August 31 to 129.23p a litre in mid-September.

Diesel, too, has risen, with the average cost going up from 133.02p a litre on August 31 to an average of 133.44p a litre now. AA president Edmund King said: "There is a lot of anger and frustration being vented by drivers that, although the oil price has fallen significantly, pump prices have started to go up again."