Brexit has added 5p a litre to petrol prices, Lib Dems claim

Motorists are paying more at the pumps because of the vote to leave the European Union, according to the Liberal Democrats.The party's research suggests that petrol prices have risen by 7p a litre since last June - and 5p of this is down to "shockwaves from the referendum vote".Nick Clegg, the Lib Dem's spokesman on Europe, said: "Theresa May claims that Brexit is going to be a great success.