Shoppers warned of

Annual grocery inflation was 3.8% over the past four weeks, up from 3.5% in December, Kantar found.

Sales of savoury snacks, fresh beef and crisps rose last month, while beer, bacon and vitamins fell

Dry January and Veganuary boosted sales of vegan and low alcohol products.

Fraser McKevitt, head of retail and consumer insight at Kantar, said: "Prices are rising on many fronts, and the weekly shop is no exception.

"Like-for-like grocery price inflation, which assumes that shoppers buy exactly the same products this year as they did last year, increased again this month.

"Taken over the course of a 12-month period, this 3.8% rise in prices could add an extra

Britain remains locked in a fuel crisis, with around a quarter of petrol stations out of fuel a week after supply problems prompted panic buying at the pumps.

Despite reassurances from Boris Johnson that the fuel crisis is improving, demand for petrol and diesel remains at ‘unprecedented levels’, according to the industry this afternoon.

And around a quarter of stations are still closed today, with barely half offering both petrol and diesel today, according to the Petrol Retailers Association.