Aldi has announced it is cutting the price of hundreds of products as it hopes to fend off competition from Lidl and others in an escalating price war. The country’s fourth largest grocer is vying for market share as competitors including Lidl continue to gain ground. Aldi's own grip on the grocery market has slipped, falling from 11 per cent to 10.8 per cent over the past year. Price battle: Discount supermarkets have been gaining customers from traditional grocersBy contrast, Lidl saw sales rise 8.6 per cent over the same period. Julie Ashfield, chief commercial officer at Aldi UK, said: ‘It’s never been more important that everyday grocery essentials and family favourites remain affordable.