The Prime Minister is put on the spot by someone from the German embassy.
David Cameron says "we should be more positive" about the success of the single market.
He says he makes no apology for standing up for UK interests in Europe; it is "simply not credible" to make cuts at home and increase the EU budget.
That "does not make you a bad European", he insists. He calls for more focus on how the European Commission spends its money.
More top news
An airliner carrying 147 passengers had to make an emergency landing after the pilot died during the flight.
Health Secretary Jeremy Hunt has been urged to apologise for suggesting tax credit cuts will make Britons work harder.
Tonight it'll stay wet across northern areas of Britain, with further showers pushing into the South West.