© Licensed to London News Pictures. 28/04/2018. LONDON, UK.  Signage for an Sainsbury's superstore is seen in Watford, north west London.   ASDA and Sainsbury's are reported to be in negotiations for a GBP10m merger to create combined group of 2,800 stores representing over 30% of the UK grocery market.  Photo credit: Stephen Chung/LNP
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