Could heatwaves make your food shop more expensive?

"One week of hot weather will not make a loaf of bread more expensive."

— Prof Manoj Dora , Academic

"This year's very dry harvest will mean that the quality will be good but the yield will be down."

— Simon Willis , Executive

"I don't really think it's going to affect the prices in the supermarkets, because they can just bring more food in from other countries."

— David Wheatley , Other