Shoppers warned to avoid buying from smaller stores Some items are marked up as high as double the price at convenience stores compared

Tesco is the UK’s dominant supermarket chain, with a 27.8% market share, but shoppers at the supermarket giant have been warned over an Aldi price match.

Items including chicken nuggets, blackcurrant squash and chicken kievs were found to contain less of their main ingredient compared to their Aldi equivalents

Some items at Tesco were found to contain less of their main ingredient compared to Aldi equivalents, according to a BBC Panorama investigation due to air tonight.

Dozens’ of Tesco products price-matched to Aldi not like-for-like – report - Of 122 Tesco products, 38 were found to have at least five percentage points less of the main ingredient than the matched Aldi product.